Driving route · Canada

Route from Grand-Mère to Plaster Rock

Interactive map, distance, and indicative drive time for the route from Grand-Mère to Plaster Rock — with the live planner for up-to-date turn-by-turn directions.

This page provides the map and indicative distance data for the route between Grand-Mère (Quebec) and Plaster Rock (New Brunswick). Use the live planner below to get up-to-date driving directions by car, on foot, or by bicycle.

Distance from Grand-Mère to Plaster Rock

The straight-line distance between Grand-Mère and Plaster Rock is 405.9 km. The estimated road distance by car is around 459 km, with an indicative drive time of 5 h 6 min.

Straight-line distance 405.9 km
Estimated road distance ~459 km
Indicative drive time 5 h 6 min
Note: values are approximate estimates. Road distance is calculated by multiplying the straight-line distance by a road-deviation factor (1.13–1.30 based on length). Drive time assumes ~90 km/h average. Real traffic, tolls, and conditions can vary significantly. Use the live planner for current data.

Trip cost and route type: Grand-Mère – Plaster Rock

Route type Long

Long route (over 300 km) — plan a break roughly every 2 hours and check highway traffic and weather.

Indicative fuel cost $51–$70

Estimate: ~459 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Grand-Mère to Plaster Rock

The map shows the locations of Grand-Mère (A) and Plaster Rock (B). Use the form below to calculate the up-to-date road route with turn-by-turn directions, real distance, and estimated drive time.

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Driving directions from Grand-Mère to Plaster Rock

Real distance: 540.4 km  ·  Estimated time: 7 h 34 min

🗓 Calculated on June 3, 2026
  1. Drive northeast on 8e Avenue. 27 m
  2. Turn right onto 8e Rue. 287 m
  3. Turn left onto 5e Avenue. 1.2 km
  4. Turn left onto Avenue Chahoon. 232 m
  5. Bear right onto Avenue Chahoon/153. Continue on 153. 1.2 km
  6. Bear right onto Chemin des Dubois. 2.6 km
  7. Turn right onto Route de Lac-à-la-Tortue/359. Continue on 359. 26.3 km
  8. Turn left to take the 40 ramp. 93.3 km
  9. Take exit 305-S onto 540 Sud/20/Autoroute Duplessis Sud toward Pont Pierre-Laporte. 4.3 km
  10. Keep right to take exit 9 onto 73 Sud/20 toward Pont Pierre-Laporte/Montréal. 4.0 km
  11. Keep left to take exit 131-E onto 20 Est toward Rivière-du-Loup/Lévis (Centre-Ville). 793 m
  12. Keep right to take exit 314 onto Chemin du Sault. 482 m

Standard car route without avoiding highways. For advanced options (motorcycle, bicycle, transit, avoid tolls) use the live planner above.

Estimate trip cost: Grand-Mère – Plaster Rock

Litres estimated
Fuel cost
Toll estimate
Total estimate
Range ±15%

Indicative estimates based on ~459 km. Tolls calculated at ~$0.10/km on tolled segments. The calculator updates with the live planner's real distance. Actual consumption, driving style, weather, and toll rates vary.

Origin and destination

Origin

Grand-Mère

Quebec · 46.61400, -72.69700

Grand-Mère sits on the north bank of the Saint‑Maurice River in central Quebec and functions as a built-up district within the Shawinigan urban area. On regional and local maps it appears as a riverside suburban and…

Destination

Plaster Rock

New Brunswick · 46.88330, -67.38330

Plaster Rock sits in northwestern New Brunswick within a rural river-valley setting. On regional maps it appears as a compact village serving surrounding farmland and forest country rather than as part of a metropolitan…

How to drive from Grand-Mère to Plaster Rock

The straight-line distance between Grand-Mère (Quebec) and Plaster Rock (New Brunswick) is about 405.9 km. The actual road distance varies by chosen route, road type, and travel conditions — especially in winter and across mountain or northern segments.

Before you leave, consider:

  • Check current traffic with a navigation app — particularly around major cities.
  • Look up any toll segments on your route (Ontario 407, select bridges).
  • In winter or at higher elevations, drive times and conditions can change quickly. Carry a charged phone, fuel reserve, and weather-appropriate gear.
  • Plan stops at service centres or towns along the way — fuel and rest stops can be sparse on remote sections.

Route description: Grand-Mère – Plaster Rock

How far is Grand-Mère from Plaster Rock? The road estimate is around 459 km, with an indicative drive time of 5 h 6 min. The route connects Quebec to New Brunswick — a long route (over 300 km). Plan multiple breaks and check highway traffic, weather, and fuel availability — particularly in remote sections. Verify the track with the live planner for current instructions.

The trip starts at Grand-Mère (Quebec) — coordinates 46.6140° N, -72.6970° E. The destination is Plaster Rock (New Brunswick), at 46.8833° N, -67.3833° E.

Practical tips for the Grand-Mère – Plaster Rock drive

Terrain along the way

The route starts in Quebec — a province St. Lawrence valley framed by the Laurentians and the Appalachians — and reaches Plaster Rock in New Brunswick, forested and Acadian, with the Bay of Fundy and tidal coastlines. The route also passes near Armagh (Quebec).

When to leave

For a long route, leave early (before 06:30) or wait until after 10:00. Avoid summer long-weekend exoduses and major holidays. Plan a break every 1.5–2 hours of driving — and check weather, especially across the Prairies and through mountain passes.

Alternatives

For this route of about 459 km, consider VIA Rail Canada — VIA's Corridor service connects many Eastern Canadian cities, and the long-distance trains (the Canadian, Ocean) run through the Prairies and the Maritimes. Cross-border trips may also include Amtrak's Adirondack or Cascades. Check schedules at viarail.ca and amtrak.com.

Explore Plaster Rock

Full information about Plaster Rock: interactive map, GPS coordinates, elevation, nearby cities, and routes to and from Plaster Rock.

Plaster Rock profile →

Explore Grand-Mère

Full information about Grand-Mère: map, GPS coordinates, and all routes from Grand-Mère to other Canadian cities.

Grand-Mère profile →

Related tools

Cities along the Grand-Mère – Plaster Rock route

These cities are near the direct route between Grand-Mère and Plaster Rock. They may be useful as a stopover or alternate destination.

Routes with intermediate stops: Grand-Mère → Armagh · Grand-Mère → Lamartine · Grand-Mère → Montmagny

Related routes

From Grand-Mère to other cities:

To Plaster Rock from other cities:

From Plaster Rock to intermediate cities:

All info about Grand-Mère →  ·  All info about Plaster Rock →

Popular routes from Quebec

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Frequently asked questions: Grand-Mère – Plaster Rock

What is the straight-line distance between Grand-Mère and Plaster Rock?

The straight-line distance between Grand-Mère and Plaster Rock is about 405.9 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Grand-Mère to Plaster Rock?

The estimated road distance from Grand-Mère to Plaster Rock is about 459 km — derived by multiplying the straight-line distance by a road-deviation factor (1.13–1.30 based on length). For an up-to-date route, use the live planner.

How long does it take to drive from Grand-Mère to Plaster Rock?

Indicative drive time from Grand-Mère to Plaster Rock is about 5 h 6 min, based on an average highway speed of 90 km/h on a mixed motorway/highway profile. Real time depends on traffic, weather, stops, vehicle type, and conditions.

How do I get up-to-date driving directions from Grand-Mère to Plaster Rock?

Use the live planner on this page: select your transport mode and click "Update route". You'll see the route with turn-by-turn directions, current distance, and estimated time based on up-to-date routing data.

Does the Grand-Mère–Plaster Rock route involve highway tolls?

CanadaDrivingDirections.com does not provide toll details. Toll roads are limited in Canada — Ontario's 407 ETR, a few Quebec bridges, and the Confederation Bridge to PEI are the main ones. Check the operator's site for current pricing.

How does traffic affect the route from Grand-Mère to Plaster Rock?

Traffic varies by time of day, season, and weather. The live planner uses up-to-date routing data; for live traffic, use a navigation app before departure — especially in winter when conditions can change rapidly.

Is there an alternative route from Grand-Mère to Plaster Rock?

A common alternative is going via Armagh or Lamartine. Use the live planner to compare routes.

Can I open the Grand-Mère–Plaster Rock route in Google Maps?

Yes. Click "Open in Google Maps" on this page to view the route in the Google Maps app or browser. You can also open Google Maps directly and enter Grand-Mère as origin and Plaster Rock as destination.