Distance between cities › Canada › British Columbia › Comox, BC › Distance from Comox to Cornwall Book Hotels

Distance from Comox, BC to Cornwall, ON

Distance

4,781 km

Time

2 days 7 hours

Gas Cost

$361 - $866

There are 3,745.64 km (2,327.44 miles) from Comox to Cornwall in east direction and 4,781.36 km (2,971 miles) by car and ferry, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Comox and Cornwall are 2 days 7 hours far apart, if you drive non-stop for 2 days 5 hours and take a ferry for 2 hours 30 mins .

This is the fastest route from Comox, BC to Cornwall, ON.

Please note the time difference between Comox, BC and Cornwall, ON is 3 hours. The current time in Comox is 11:01 am and the current time in Cornwall is 2:01 pm.

Any questions or tips to share?

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

Lowest Price Rental Cars in Comox, BC

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Comox »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 425.54 liters of gas to cover the route between Comox, BC and Cornwall, ON.

The estimated cost of gas to go from Comox to Cornwall is $642.56.

During the route, an average car will release 10,178.91 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 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Comox, BC and Cornwall, ON

If you want to meet halfway between Comox, BC 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 43.765831 and -100.390396, or 43º 45' 56.9916" N, 100º 23' 25.4256" W. This location is 1,485.50 miles away from Comox, BC and Cornwall, ON and it would take approximately 1 day 3 hours to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	2,327.44 mi	3,745.64 km	2,022.49 nautical mi
Driving distance	2,971 mi	4,781.34 km	2,581.72 nautical mi

Road Trip Tips