Map of Cornwall, Canada

Cornwall is a city in Ontario, Canada, with a population of about 48,821. It lies at 45.0181°N, 74.7281°W. Cornwall is about 88 km (54 mi) southeast of Ottawa, the capital. The nearest city on our map is Salaberry-de-Valleyfield, 53 km to the northeast.

Cornwall at a glance

Where is Cornwall?

• Located in the Northern and Western hemispheres.
• Daylight ranges from about 8 h 46 min on the shortest day to 15 h 37 min on the longest day (around 21 December and 21 June).

Cities near Cornwall

• Salaberry-de-Valleyfield — 53 km northeast
• Nepean — 86 km northwest
• Mirabel — 87 km northeast
• Châteauguay — 87 km northeast
• Ottawa — 88 km northwest
• Dollard-Des Ormeaux — 88 km northeast
• Saint-Eustache — 89 km northeast
• Gatineau — 92 km northwest
• Aylmer — 95 km northwest
• Blainville — 98 km northeast

Largest cities in Ontario

• Toronto — 2,794,356
• Ottawa — 1,017,449
• Mississauga — 717,961
• Brampton — 656,480
• Hamilton — 569,353
• London — 422,324
• Etobicoke — 365,000
• Markham — 338,503
• Vaughan — 323,103
• Kitchener — 256,885

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 →

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.