Driving route · Canada

Route from Mercier to Chelmsford

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

Distance from Mercier to Chelmsford

The straight-line distance between Mercier and Chelmsford is 592.6 km. The estimated road distance by car is around 670 km, with an indicative drive time of 7 h 26 min.

Straight-line distance 592.6 km
Estimated road distance ~670 km
Indicative drive time 7 h 26 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: Mercier – Chelmsford

Route type Long

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

Indicative fuel cost $75–$102

Estimate: ~670 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Mercier to Chelmsford

The map shows the locations of Mercier (A) and Chelmsford (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 Mercier to Chelmsford

Real distance: 741.3 km  ·  Estimated time: 10 h 4 min

🗓 Calculated on June 3, 2026
  1. Drive west on Rue des Perdrix. 239 m
  2. Turn left onto Rue des Rossignols. 123 m
  3. Turn left onto Rue Marleau. 1.0 km
  4. Turn right onto Boulevard Saint-Jean-Baptiste/138. 6.5 km
  5. Turn right onto Chemin de la Beauce/205. 8.3 km
  6. Turn left to take the 30 Ouest ramp toward Vaudreuil-Dorion. 19.6 km
  7. Keep right to take exit 5 onto 401 toward Toronto. 458 m
  8. Keep left to take 401 toward Toronto. 106.3 km
  9. Take exit 750 onto CR 31/County Road 31 toward Winchester/Morrisburg. 496 m
  10. Turn right onto County Road 31/CR 31. 24.4 km
  11. Turn left onto County Road 43/CR 43. 19.7 km
  12. Bear left to stay on County Road 43. 2.6 km

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

Estimate trip cost: Mercier – Chelmsford

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

Indicative estimates based on ~670 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

Mercier

Quebec · 45.32000, -73.75000

Mercier is a small municipality on the south shore of the Saint Lawrence River in Quebec's Montérégie region, situated on the outer edge of the Greater Montreal metropolitan area. On maps it appears as a suburban and…

Destination

Chelmsford

Ontario · 46.58330, -81.20000

Chelmsford is a small community in northeastern Ontario within the Sudbury region. With about 6,199 residents, it functions as a local centre for drivers in a mixed forest-and-lake landscape north of the Sudbury urban…

How to drive from Mercier to Chelmsford

The straight-line distance between Mercier (Quebec) and Chelmsford (Ontario) is about 592.6 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: Mercier – Chelmsford

From Mercier to Chelmsford the estimated road distance is roughly 670 km (592.6 km straight line). The trip connects Quebec to Ontario and is a long route (over 300 km). Plan multiple breaks and check highway traffic, weather, and fuel availability — particularly in remote sections. The live planner provides turn-by-turn instructions, indicative arrival time, and a fuel-or-electricity cost estimate.

The trip starts at Mercier (Quebec) — coordinates 45.3200° N, -73.7500° E. The destination is Chelmsford (Ontario), at 46.5833° N, -81.2000° E.

Practical tips for the Mercier – Chelmsford drive

Terrain along the way

The route starts in Quebec — a province St. Lawrence valley framed by the Laurentians and the Appalachians — and reaches Chelmsford in Ontario, Great Lakes shoreline in the south, Canadian Shield forests across the north. The route also passes near Petawawa (Ontario).

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 670 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 Chelmsford

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

Chelmsford profile →

Explore Mercier

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

Mercier profile →

Related tools

Cities along the Mercier – Chelmsford route

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

Routes with intermediate stops: Mercier → Petawawa · Mercier → Pembroke · Mercier → Beachburg

Related routes

From Mercier to other cities:

To Chelmsford from other cities:

From Chelmsford to intermediate cities:

All info about Mercier →  ·  All info about Chelmsford →

Popular routes from Quebec

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Frequently asked questions: Mercier – Chelmsford

What is the straight-line distance between Mercier and Chelmsford?

The straight-line distance between Mercier and Chelmsford is about 592.6 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Mercier to Chelmsford?

The estimated road distance from Mercier to Chelmsford is about 670 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 Mercier to Chelmsford?

Indicative drive time from Mercier to Chelmsford is about 7 h 26 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 Mercier to Chelmsford?

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 Mercier–Chelmsford 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 Mercier to Chelmsford?

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 Mercier to Chelmsford?

A common alternative is going via Petawawa or Pembroke. Use the live planner to compare routes.

Can I open the Mercier–Chelmsford 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 Mercier as origin and Chelmsford as destination.