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

Distance from Killarney, ON to Smiths Falls, ON

Distance

586 km

Time

8 hours 33 mins

Gas Cost

$44 - $106

There are 444.40 km (276.14 miles) from Killarney to Smiths Falls in southeast direction and 585.80 km (364 miles) by car, following the 17 route.

Killarney and Smiths Falls are 8 hours 33 mins far apart, if you drive non-stop .

This is the fastest route from Killarney, ON to Smiths Falls, ON. The halfway point is Mattawa, ON.

Killarney, ON and Smiths Falls, ON are in the same time zone (EDT). Current time in both locations is 5:50 pm.

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Lowest Price Rental Cars in Killarney, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Killarney »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 52.19 liters of gas to cover the route between Killarney, ON and Smiths Falls, ON.

The estimated cost of gas to go from Killarney to Smiths Falls is $78.81.

During the route, an average car will release 1,248.42 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 Killarney, ON and Smiths Falls, ON

If you want to meet halfway between Killarney, ON and Smiths Falls, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.311073 and -78.639648, or 46º 18' 39.8628" N, 78º 38' 22.7328" W. This location is 182.19 miles away from Killarney, ON and Smiths Falls, ON and it would take approximately 4 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 Mattawa, ON, situated 173 miles from Killarney, ON and 190 miles from Smiths Falls, ON. It would take 3 hours 27 mins to go from Killarney to Mattawa and 3 hours 35 mins to go from Smiths Falls to Mattawa.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Killarney, ON and Smiths Falls, ON in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	276.14 mi	444.40 km	239.96 nautical mi
Driving distance	364 mi	586.42 km	316.64 nautical mi

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