Map of London, Ontario, Canada

London is a city in Ontario, Canada, with a population of about 422,324. It lies at 42.9834°N, 81.2330°W. London is about 517 km (321 mi) southwest of Ottawa, the capital. The nearest city on our map is St. Thomas, 24 km to the south.

London at a glance

Where is London?

• The 15th largest city in Canada by recorded population.
• The 6th largest city in Ontario on this site.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 9 h 00 min on the shortest day to 15 h 22 min on the longest day (around 21 December and 21 June).

Cities near London

• St. Thomas — 24 km south
• Woodstock — 43 km northeast
• Norfolk County — 71 km east
• Brant — 74 km east
• Kitchener — 76 km northeast
• Waterloo — 79 km northeast
• Brantford — 80 km east
• Cambridge — 86 km northeast
• Sarnia — 95 km west
• Chatham — 100 km southwest

Largest cities in Ontario

• Toronto — 2,794,356
• Ottawa — 1,017,449
• Mississauga — 717,961
• Brampton — 656,480
• Hamilton — 569,353
• Etobicoke — 365,000
• Markham — 338,503
• Vaughan — 323,103
• Kitchener — 256,885
• Windsor — 229,660

Largest cities in Canada

• Toronto — 2,794,356
• Montréal — 1,762,949
• Calgary — 1,306,784
• Ottawa — 1,017,449
• Edmonton — 1,010,899
• Winnipeg — 749,607
• Mississauga — 717,961
• Vancouver — 662,248
• Brampton — 656,480
• Hamilton — 569,353

Map of Canada and all its cities →

Other places named London

• London — England, United Kingdom

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.