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

Distance from Alder, ON to Cornwall, PE

Distance

1,592 km

Time

21 hours 3 mins

Gas Cost

$120 - $288

There are 1,284.46 km (798.13 miles) from Alder to Cornwall in east direction and 1,591.64 km (989 miles) by car, following the 401 route.

Alder and Cornwall are 21 hours 3 mins far apart, if you drive non-stop .

This is the fastest route from Alder, ON to Cornwall, PE.

Please note the time difference between Alder, ON and Cornwall, PE is 1 hour. The current time in Alder is 3:42 pm and the current time in Cornwall is 4:42 pm.

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Lowest Price Rental Cars in Alder, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Alder »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 141.66 liters of gas to cover the route between Alder, ON and Cornwall, PE.

The estimated cost of gas to go from Alder to Cornwall is $213.90.

During the route, an average car will release 3,388.46 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 Alder, ON and Cornwall, PE

If you want to meet halfway between Alder, ON and Cornwall, PE or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.378779 and -70.974051, or 45º 22' 43.6044" N, 70º 58' 26.5836" W. This location is 494.51 miles away from Alder, ON and Cornwall, PE and it would take approximately 10 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Marston, QC, situated 501 miles from Alder, ON and 508 miles from Cornwall, PE. It would take 10 hours 25 mins to go from Alder to Marston and 11 hours 10 mins to go from Cornwall to Marston.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	798.13 mi	1,284.46 km	693.56 nautical mi
Driving distance	989 mi	1,591.66 km	859.43 nautical mi

Road Trip Tips