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

Distance from Cornwall, ON to Udora, ON

Distance

439 km

Time

5 hours 27 mins

Gas Cost

$33 - $79

There are 362.41 km (225.19 miles) from Cornwall to Udora in southwest direction and 439.35 km (273 miles) by car, following the 401 route.

Cornwall and Udora are 5 hours 27 mins far apart, if you drive non-stop .

This is the fastest route from Cornwall, ON to Udora, ON. The halfway point is Deseronto, ON.

Cornwall, ON and Udora, ON are in the same time zone (EDT). Current time in both locations is 4:46 am.

Any questions or tips to share?

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

Lowest Price Rental Cars in Cornwall, ON

Planning on renting a car to go from Cornwall, ON to Udora, 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 39.05 liters of gas to cover the route between Cornwall, ON and Udora, ON.

The estimated cost of gas to go from Cornwall to Udora is $58.96.

During the route, an average car will release 934 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 Udora, ON

If you want to meet halfway between Cornwall, ON and Udora, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.261490 and -76.978989, or 44º 15' 41.364" N, 76º 58' 44.3604" W. This location is 136.31 miles away from Cornwall, ON and Udora, ON and it would take approximately 2 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Deseronto, ON, situated 142 miles from Cornwall, ON and 137 miles from Udora, ON. It would take 2 hours 26 mins to go from Cornwall to Deseronto and 2 hours 24 mins to go from Udora to Deseronto.

Major City Closest to Halfway Point

The major city closest to the halfway point between Cornwall, ON and Udora, ON is Kingston, ON, situated 114 miles from Cornwall, ON and 165 miles from Udora, ON. It would take 1 hour 57 mins to go from Cornwall to and 2 hours 52 mins to go from Udora to Kingston.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	225.19 mi	362.41 km	195.68 nautical mi
Driving distance	273 mi	438.73 km	236.89 nautical mi

Road Trip Tips