Driving route · Canada

Route from Montmagny to Dieppe

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

Distance from Montmagny to Dieppe

The straight-line distance between Montmagny and Dieppe is 456.2 km. The estimated road distance by car is around 516 km, with an indicative drive time of 5 h 44 min.

Straight-line distance 456.2 km
Estimated road distance ~516 km
Indicative drive time 5 h 44 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: Montmagny – Dieppe

Route type Long

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

Indicative fuel cost $58–$78

Estimate: ~516 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Montmagny to Dieppe

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

Real distance: 689.8 km  ·  Estimated time: 8 h 25 min

🗓 Calculated on June 3, 2026
  1. Drive north on Rue Saint-Louis. 206 m
  2. Turn right onto Boulevard Taché Est/132. Continue on 132. 9.1 km
  3. Turn right onto Route du Petit-Cap. 2.6 km
  4. Turn left to take the 20 ramp. 110.3 km
  5. Keep right to take 85/Autoroute Claude-Béchard. 13.4 km
  6. Keep left to stay on 85. 366.4 km
  7. Keep right to take NB 2/TCH/Route 2/Route 2 Highway. 181.9 km
  8. Take exit 462 toward Caledonia Industrial Park. 439 m
  9. Turn right onto boulevard Harrisville Boulevard/Harrisville Boulevard/boulevard Harrisville. Continue on Harrisville Boulevard. 2.5 km
  10. Bear left onto Dieppe Boulevard. 48 m
  11. Bear right onto Boulevard Dieppe. 571 m
  12. Turn right onto Rue Champlain/Champlain Street/NB 132/Rue Champlain / Champlain Street. 605 m

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

Estimate trip cost: Montmagny – Dieppe

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

Indicative estimates based on ~516 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

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…

Destination

Dieppe

New Brunswick · 46.09890, -64.72420

Dieppe is a suburban city immediately east of Moncton in southeastern New Brunswick. Part of the Greater Moncton metropolitan area, it functions as a built-up residential and commercial municipality on the edge of the…

How to drive from Montmagny to Dieppe

The straight-line distance between Montmagny (Quebec) and Dieppe (New Brunswick) is about 456.2 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: Montmagny – Dieppe

The journey from Montmagny to Dieppe covers roughly 516 km on the road, equal to 456.2 km straight line. The trip connects Quebec to New Brunswick and is classified as a long route (over 300 km). Plan multiple breaks and check highway traffic, weather, and fuel availability — particularly in remote sections. Open the interactive planner for the route map, turns, and a fuel-or-EV cost calculator.

The trip starts at Montmagny (Quebec) — coordinates 46.9833° N, -70.5500° E. The destination is Dieppe (New Brunswick), at 46.0989° N, -64.7242° E.

Practical tips for the Montmagny – Dieppe drive

Terrain along the way

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

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 516 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 Dieppe

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

Dieppe profile →

Explore Montmagny

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

Montmagny profile →

Related tools

Cities along the Montmagny – Dieppe route

These cities are near the direct route between Montmagny and Dieppe. They may be useful as a stopover or alternate destination.

Routes with intermediate stops: Montmagny → Bath · Montmagny → Centreville · Montmagny → Plaster Rock

Related routes

From Montmagny to other cities:

To Dieppe from other cities:

From Dieppe to intermediate cities:

All info about Montmagny →  ·  All info about Dieppe →

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Frequently asked questions: Montmagny – Dieppe

What is the straight-line distance between Montmagny and Dieppe?

The straight-line distance between Montmagny and Dieppe is about 456.2 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Montmagny to Dieppe?

The estimated road distance from Montmagny to Dieppe is about 516 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 Montmagny to Dieppe?

Indicative drive time from Montmagny to Dieppe is about 5 h 44 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 Montmagny to Dieppe?

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 Montmagny–Dieppe 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 Montmagny to Dieppe?

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 Montmagny to Dieppe?

A common alternative is going via Bath or Centreville. Use the live planner to compare routes.

Can I open the Montmagny–Dieppe 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 Montmagny as origin and Dieppe as destination.