Distance between cities › Canada › Ontario › Marathon, ON › Distance from Marathon to Killarney Book Hotels

Distance from Marathon, ON to Killarney, ON

Distance

812 km

Time

11 hours 38 mins

Gas Cost

$61 - $147

There are 477.14 km (296.48 miles) from Marathon to Killarney in southeast direction and 811.11 km (504 miles) by car, following the 17 route.

Marathon and Killarney are 11 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Marathon, ON to Killarney, ON. The halfway point between Marathon, ON and Killarney, ON and the cities along the route are available on this page. Visit www.distance-cities.com for full details including interactive maps and cities along the route.

Marathon, ON and Killarney, ON are in the same time zone (EDT). Current time in both locations is 7:23 am.

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Lowest Price Rental Cars in Marathon, ON

Planning on renting a car to go from Marathon, ON to Killarney, ON? Here there are some offers to rent a car in Marathon, ON

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Marathon »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 72.24 liters of gas to cover the route between Marathon, ON and Killarney, ON.

The estimated cost of gas to go from Marathon to Killarney is $109.08.

During the route, an average car will release 1,728.01 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 3, 2026.
Read more about our CO₂ calculation.