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

Distance from Cornwall, ON to Kingston, NB

Distance

874 km

Time

12 hours 14 mins

Gas Cost

$66 - $158

There are 686.97 km (426.87 miles) from Cornwall to Kingston in east direction and 873.87 km (543 miles) by car and ferry, following the I-395 and ME 9 and ME 15 route.

Cornwall and Kingston are 12 hours 14 mins far apart, if you drive non-stop for 12 hours 9 mins and take a ferry for 5 minutes .

This is the fastest route from Cornwall, ON to Kingston, NB.

Please note the time difference between Cornwall, ON and Kingston, NB is 1 hour. The current time in Cornwall is 5:16 am and the current time in Kingston is 6:16 am.

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Lowest Price Rental Cars in Cornwall, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cornwall »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 77.78 liters of gas to cover the route between Cornwall, ON and Kingston, NB.

The estimated cost of gas to go from Cornwall to Kingston is $117.45.

During the route, an average car will release 1,860.55 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 Cornwall, ON and Kingston, NB

If you want to meet halfway between Cornwall, ON and Kingston, NB or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.057632 and -70.207420, or 45º 3' 27.4752" N, 70º 12' 26.712" W. This location is 271.53 miles away from Cornwall, ON and Kingston, NB and it would take approximately 6 hours 7 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	426.87 mi	686.97 km	370.94 nautical mi
Driving distance	543 mi	873.96 km	471.90 nautical mi

Road Trip Tips