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

Distance from Cornwall, ON to Adelard, ON

Distance

340 km

Time

4 hours 38 mins

Gas Cost

$26 - $62

There are 288.46 km (179.24 miles) from Cornwall to Adelard in northwest direction and 341.18 km (212 miles) by car, following the 17 route.

Cornwall and Adelard are 4 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to Adelard, ON. The halfway point is Arnprior, ON.

Cornwall, ON and Adelard, ON are in the same time zone (EDT). Current time in both locations is 7:59 pm.

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Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to Adelard, ON? 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 30.29 liters of gas to cover the route between Cornwall, ON and Adelard, ON.

The estimated cost of gas to go from Cornwall to Adelard is $45.75.

During the route, an average car will release 724.65 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 Adelard, ON

If you want to meet halfway between Cornwall, ON and Adelard, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.426838 and -76.401703, or 45º 25' 36.6168" N, 76º 24' 6.1308" W. This location is 105.76 miles away from Cornwall, ON and Adelard, ON and it would take approximately 2 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Arnprior, ON, situated 103 miles from Cornwall, ON and 109 miles from Adelard, ON. It would take 2 hours 19 mins to go from Cornwall to Arnprior and 2 hours 22 mins to go from Adelard to Arnprior.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	179.24 mi	288.46 km	155.76 nautical mi
Driving distance	212 mi	340.39 km	183.80 nautical mi

Road Trip Tips