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

Distance from Cornwall, ON to Ayr, ON

Distance

536 km

Time

6 hours 33 mins

Gas Cost

$40 - $97

There are 495.37 km (307.81 miles) from Cornwall to Ayr in southwest direction and 535.91 km (333 miles) by car, following the 401 route.

Cornwall and Ayr are 6 hours 33 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to Ayr, ON. The halfway point is Quinte West, ON.

Cornwall, ON and Ayr, ON are in the same time zone (EDT). Current time in both locations is 1:04 am.

Any questions or tips to share?

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

Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to Ayr, 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 47.69 liters of gas to cover the route between Cornwall, ON and Ayr, ON.

The estimated cost of gas to go from Cornwall to Ayr is $72.02.

During the route, an average car will release 1,140.84 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 Ayr, ON

If you want to meet halfway between Cornwall, ON and Ayr, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.129932 and -77.571854, or 44º 7' 47.7552" N, 77º 34' 18.6744" W. This location is 166.49 miles away from Cornwall, ON and Ayr, ON and it would take approximately 3 hours 16 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Quinte West, ON, situated 171 miles from Cornwall, ON and 169 miles from Ayr, ON. It would take 2 hours 52 mins to go from Cornwall to Quinte West and 2 hours 50 mins to go from Ayr to Quinte West.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	307.81 mi	495.37 km	267.48 nautical mi
Driving distance	333 mi	535.89 km	289.36 nautical mi

Road Trip Tips