Distance between cities › Canada › Ontario › Cobalt, ON › Distance from Cobalt to Cornwall Book Hotels

Distance from Cobalt, ON to Cornwall, ON

Distance

602 km

Time

8 hours 25 mins

Gas Cost

$45 - $109

There are 463.66 km (288.10 miles) from Cobalt to Cornwall in southeast direction and 601.89 km (374 miles) by car, following the 17 route.

Cobalt and Cornwall are 8 hours 25 mins far apart, if you drive non-stop .

This is the fastest route from Cobalt, ON to Cornwall, ON. The halfway point is Deep River, ON.

Cobalt, ON and Cornwall, ON are in the same time zone (EDT). Current time in both locations is 4:13 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Cobalt, ON to Cornwall, ON:

Lowest Price Rental Cars in Cobalt, ON

Planning on renting a car to go from Cobalt, ON to Cornwall, ON? Here there are some offers to rent a car in Cobalt, ON

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cobalt »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 53.55 liters of gas to cover the route between Cobalt, ON and Cornwall, ON.

The estimated cost of gas to go from Cobalt to Cornwall is $80.86.

During the route, an average car will release 1,280.91 kilograms of CO₂ to the atmosphere. The carbon footprint would be 2.13 kilograms of CO₂ per kilometer.

Average Canada gas price used for calculation is $1.51 per liter of regular gas. Price last updated on March 4, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Cobalt, ON and Cornwall, ON

If you want to meet halfway between Cobalt, ON and Cornwall, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.138885 and -77.575813, or 46º 8' 19.986" N, 77º 34' 32.9268" W. This location is 186.93 miles away from Cobalt, ON and Cornwall, ON and it would take approximately 4 hours 12 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Deep River, ON, situated 193 miles from Cobalt, ON and 182 miles from Cornwall, ON. It would take 3 hours 36 mins to go from Cobalt to Deep River and 3 hours 16 mins to go from Cornwall to Deep River.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Cobalt, ON and Cornwall, ON in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	288.10 mi	463.66 km	250.36 nautical mi
Driving distance	374 mi	601.68 km	324.88 nautical mi

Road Trip Tips