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

Distance from Killarney, ON to Saint Thomas, ON

Distance

691 km

Time

9 hours 27 mins

Gas Cost

$52 - $125

There are 356.14 km (221.29 miles) from Killarney to Saint Thomas in south direction and 690.41 km (429 miles) by car, following the 400 route.

Killarney and Saint Thomas are 9 hours 27 mins far apart, if you drive non-stop .

This is the fastest route from Killarney, ON to Saint Thomas, ON. The halfway point is Sahanatien, ON.

Killarney, ON and Saint Thomas, ON are in the same time zone (EDT). Current time in both locations is 6:41 pm.

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Lowest Price Rental Cars in Killarney, ON

Planning on renting a car to go from Killarney, ON to Saint Thomas, 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 61.46 liters of gas to cover the route between Killarney, ON and Saint Thomas, ON.

The estimated cost of gas to go from Killarney to Saint Thomas is $92.81.

During the route, an average car will release 1,470.13 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 Saint Thomas, ON

If you want to meet halfway between Killarney, ON and Saint Thomas, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.001865 and -79.779800, or 45º 0' 6.714" N, 79º 46' 47.28" W. This location is 214.55 miles away from Killarney, ON and Saint Thomas, ON and it would take approximately 4 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 Sahanatien, ON, situated 218 miles from Killarney, ON and 218 miles from Saint Thomas, ON. It would take 4 hours 32 mins to go from Killarney to Sahanatien and 3 hours 41 mins to go from Saint Thomas to Sahanatien.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Killarney, ON and Saint Thomas, ON in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	221.29 mi	356.14 km	192.30 nautical mi
Driving distance	429 mi	690.57 km	372.88 nautical mi

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