Distance between cities › Canada › Ontario › Markham, ON › Distance from Markham to Ottawa Book Hotels

Distance from Markham, ON to Ottawa, ON

Distance

442 km

Time

5 hours 21 mins

Gas Cost

$33 - $80

There are 336.45 km (209.06 miles) from Markham to Ottawa in northeast direction and 442.57 km (275 miles) by car, following the 401 route.

Markham and Ottawa are 5 hours 21 mins far apart, if you drive non-stop .

This is the fastest route from Markham, ON to Ottawa, ON. The halfway point is Deseronto, ON.

Markham, ON and Ottawa, ON are in the same time zone (EDT). Current time in both locations is 8:29 am.

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Lowest Price Rental Cars in Markham, ON

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Markham »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 39.34 liters of gas to cover the route between Markham, ON and Ottawa, ON.

The estimated cost of gas to go from Markham to Ottawa is $59.40.

During the route, an average car will release 940.94 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 Markham, ON and Ottawa, ON

If you want to meet halfway between Markham, ON and Ottawa, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.262222 and -76.971535, or 44º 15' 43.9992" N, 76º 58' 17.526" W. This location is 137.32 miles away from Markham, ON and Ottawa, ON and it would take approximately 2 hours 40 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 130 miles from Markham, ON and 150 miles from Ottawa, ON. It would take 2 hours 14 mins to go from Markham to Deseronto and 2 hours 32 mins to go from Ottawa to Deseronto.

Major City Closest to Halfway Point

The major city closest to the halfway point between Markham, ON and Ottawa, ON is Kingston, ON, situated 158 miles from Markham, ON and 122 miles from Ottawa, ON. It would take 2 hours 42 mins to go from Markham to and 2 hours 4 mins to go from Ottawa to Kingston.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Markham, ON and Ottawa, ON in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	209.06 mi	336.45 km	181.67 nautical mi
Driving distance	275 mi	441.99 km	238.66 nautical mi

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