Driving route · Canada

Route from Cobalt to L’Assomption

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

Distance from Cobalt to L’Assomption

The straight-line distance between Cobalt and L’Assomption is 509.2 km. The estimated road distance by car is around 575 km, with an indicative drive time of 6 h 24 min.

Straight-line distance 509.2 km
Estimated road distance ~575 km
Indicative drive time 6 h 24 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: Cobalt – L’Assomption

Route type Long

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

Indicative fuel cost $65–$87

Estimate: ~575 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Cobalt to L’Assomption

The map shows the locations of Cobalt (A) and L’Assomption (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 Cobalt to L’Assomption

Real distance: 713.2 km  ·  Estimated time: 10 h 9 min

🗓 Calculated on June 3, 2026
  1. Drive southwest on Hudson Bay Road. 405 m
  2. Turn right onto Prospect Avenue. 109 m
  3. Bear left onto Silver Street. 289 m
  4. Bear left onto Cobalt Street. 172 m
  5. Turn right onto Miller Street. 6.2 km
  6. Turn left onto 11/Highway 11. Continue on 11. 136.0 km
  7. Turn left onto 11/17/Highway 11 & 17. Continue on 11/17. 4.0 km
  8. Take exit 344 onto 17 East toward Ottawa. 59.5 km
  9. Enter the roundabout and take the 1st exit onto 17/Valois Drive/Promenade Valois. 10 m
  10. Exit the roundabout onto 17/Valois Drive/Promenade Valois. Continue on 17. 191.7 km
  11. Turn left onto Chenaux Road/CR 653. 10.1 km
  12. Turn right onto Rue de l'Église/Church Street/303. 421 m

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

Estimate trip cost: Cobalt – L’Assomption

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

Indicative estimates based on ~575 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

Cobalt

Ontario · 47.40000, -79.68330

Cobalt sits in northeastern Ontario on the Canadian Shield, east of the province’s major southern population corridors. The town is a compact, historically mineral-producing community that registers on regional maps as…

Destination

L’Assomption

Quebec · 45.83330, -73.41670

L’Assomption sits in southern Quebec within the St. Lawrence Lowlands, occupying a river-valley location inland from the Saint Lawrence River. The town acts as a regional local centre in a suburban–rural transition area…

How to drive from Cobalt to L’Assomption

The straight-line distance between Cobalt (Ontario) and L’Assomption (Quebec) is about 509.2 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: Cobalt – L’Assomption

The route connects Ontario to Quebec: from Cobalt to L’Assomption you cover roughly 575 km on the road (geometric distance 509.2 km). A long route (over 300 km). Plan multiple breaks and check highway traffic, weather, and fuel availability — particularly in remote sections. The live planner calculates the optimal route with step-by-step instructions and trip cost.

The trip starts at Cobalt (Ontario) — coordinates 47.4000° N, -79.6833° E. The destination is L’Assomption (Quebec), at 45.8333° N, -73.4167° E.

Practical tips for the Cobalt – L’Assomption drive

Terrain along the way

The route starts in Ontario — a province Great Lakes shoreline in the south, Canadian Shield forests across the north — and reaches L’Assomption in Quebec, St. Lawrence valley framed by the Laurentians and the Appalachians. The route also passes near Maniwaki (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 575 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 L’Assomption

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

L’Assomption profile →

Explore Cobalt

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

Cobalt profile →

Related tools

Cities along the Cobalt – L’Assomption route

These cities are near the direct route between Cobalt and L’Assomption. They may be useful as a stopover or alternate destination.

Routes with intermediate stops: Cobalt → Maniwaki · Cobalt → Gracefield · Cobalt → Fort-Coulonge

Related routes

From Cobalt to other cities:

To L’Assomption from other cities:

From L’Assomption to intermediate cities:

All info about Cobalt →  ·  All info about L’Assomption →

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Frequently asked questions: Cobalt – L’Assomption

What is the straight-line distance between Cobalt and L’Assomption?

The straight-line distance between Cobalt and L’Assomption is about 509.2 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Cobalt to L’Assomption?

The estimated road distance from Cobalt to L’Assomption is about 575 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 Cobalt to L’Assomption?

Indicative drive time from Cobalt to L’Assomption is about 6 h 24 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 Cobalt to L’Assomption?

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 Cobalt–L’Assomption 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 Cobalt to L’Assomption?

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 Cobalt to L’Assomption?

A common alternative is going via Maniwaki or Gracefield. Use the live planner to compare routes.

Can I open the Cobalt–L’Assomption 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 Cobalt as origin and L’Assomption as destination.