Driving route · Canada

Route from Plaster Rock to Montmagny

Interactive map, distance, and indicative drive time for the route from Plaster Rock to Montmagny — 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 Plaster Rock (New Brunswick) and Montmagny (Quebec). Use the live planner below to get up-to-date driving directions by car, on foot, or by bicycle.

Distance from Plaster Rock to Montmagny

The straight-line distance between Plaster Rock and Montmagny is 240.7 km. The estimated road distance by car is around 272 km, with an indicative drive time of 3 h 1 min.

Straight-line distance 240.7 km
Estimated road distance ~272 km
Indicative drive time 3 h 1 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: Plaster Rock – Montmagny

Route type Medium

Medium-distance route (100–300 km) — plan a stop and check fuel before departure.

Indicative fuel cost $31–$41

Estimate: ~272 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Plaster Rock to Montmagny

The map shows the locations of Plaster Rock (A) and Montmagny (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 Plaster Rock to Montmagny

Real distance: 343.8 km  ·  Estimated time: 4 h 34 min

🗓 Calculated on June 3, 2026
  1. Drive east on Route 390/NB 390. Continue on NB 390. 2.7 km
  2. Turn right to take the ramp. 190 m
  3. Bear right onto Plaster Rock-Renous Highway/NB 108. Continue on NB 108. 5.0 km
  4. Turn left onto Route 109/NB 108. Continue on NB 108. 37.8 km
  5. Turn left to take the NB 2 ramp. 114.5 km
  6. Keep left to take 85. 52.6 km
  7. Keep left to take 85/Autoroute Claude-Béchard. 128.3 km
  8. Take exit 378 onto 283 toward Montmagny (Centre-Ville)/Notre-Dame-du-Rosaire/Saint-Fabien-de-Panet. 494 m
  9. Turn left onto Avenue Saint-David. 215 m
  10. Turn right onto Montée de la Rivière-du-Sud/283. Continue on 283. 1.1 km
  11. Turn right onto Rue Saint-Louis. 521 m

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

Estimate trip cost: Plaster Rock – Montmagny

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

Indicative estimates based on ~272 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

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…

Destination

Montmagny

Quebec · 46.98330, -70.55000

Montmagny sits on Quebec’s south shore of the Saint Lawrence River, east of the provincial capital. On regional maps it functions as a compact riverfront town that connects surrounding rural townships and coastal…

How to drive from Plaster Rock to Montmagny

The straight-line distance between Plaster Rock (New Brunswick) and Montmagny (Quebec) is about 240.7 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: Plaster Rock – Montmagny

The route connects New Brunswick to Quebec: from Plaster Rock to Montmagny you cover roughly 272 km on the road (geometric distance 240.7 km). A medium-distance route (100–300 km). Plan at least one stop and check fuel before departure. The live planner calculates the optimal route with step-by-step instructions and trip cost.

The trip starts at Plaster Rock (New Brunswick) — coordinates 46.8833° N, -67.3833° E. The destination is Montmagny (Quebec), at 46.9833° N, -70.5500° E.

Practical tips for the Plaster Rock – Montmagny drive

Terrain along the way

The route starts in New Brunswick — a province forested and Acadian, with the Bay of Fundy and tidal coastlines — and reaches Montmagny in Quebec, St. Lawrence valley framed by the Laurentians and the Appalachians.

When to leave

For a medium-distance trip, leaving before 07:00 or after 10:00 helps you avoid urban congestion. Friday afternoons and Sunday returns often slow the major highways.

Alternatives

For this route of about 272 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 Montmagny

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

Montmagny profile →

Explore Plaster Rock

Full information about Plaster Rock: map, GPS coordinates, and all routes from Plaster Rock to other Canadian cities.

Plaster Rock profile →

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Frequently asked questions: Plaster Rock – Montmagny

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

The straight-line distance between Plaster Rock and Montmagny is about 240.7 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Plaster Rock to Montmagny?

The estimated road distance from Plaster Rock to Montmagny is about 272 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 Plaster Rock to Montmagny?

Indicative drive time from Plaster Rock to Montmagny is about 3 h 1 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 Plaster Rock to Montmagny?

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 Plaster Rock–Montmagny 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 Plaster Rock to Montmagny?

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 Plaster Rock to Montmagny?

For alternative routes, use the live planner: pick between highways, secondary roads, and shorter or scenic options.

Can I open the Plaster Rock–Montmagny 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 Plaster Rock as origin and Montmagny as destination.