Distance between cities › Canada › Ontario › Saint Thomas, ON › Distance from Saint Thomas to Comox Book Hotels

Distance from Saint Thomas, ON to Comox, BC

Distance

4,185 km

Time

2 days

Gas Cost

$316 - $758

There are 3,400.37 km (2,112.90 miles) from Saint Thomas to Comox in northwest direction and 4,184.29 km (2,600 miles) by car and ferry, following the I-90 route.

Saint Thomas and Comox are 2 days far apart, if you drive non-stop for 1 day 22 hours and take a ferry for 2 hours 2 mins .

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

Please note the time difference between Saint Thomas, ON and Comox, BC is 3 hours. The current time in Saint Thomas is 9:26 am and the current time in Comox is 6:26 am.

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Lowest Price Rental Cars in Saint Thomas, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Saint Thomas »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 372.43 liters of gas to cover the route between Saint Thomas, ON and Comox, BC.

The estimated cost of gas to go from Saint Thomas to Comox is $562.37.

During the route, an average car will release 8,908.59 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 Saint Thomas, ON and Comox, BC

If you want to meet halfway between Saint Thomas, ON and Comox, BC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.966522 and -104.331238, or 44º 57' 59.4792" N, 104º 19' 52.4568" W. This location is 1,300.11 miles away from Saint Thomas, ON and Comox, BC and it would take approximately 1 day to reach the halfway point from both locations.

Major Cities Along the Route

Some major cities along the route include Billings, MT, Spokane, WA and Milwaukee, WI.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	2,112.90 mi	3,400.37 km	1,836.06 nautical mi
Driving distance	2,600 mi	4,184.64 km	2,259.53 nautical mi

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