Map of Nepean, Canada

Nepean is a city in Ontario, Canada, with a population of about 180,000. It lies at 45.3362°N, 75.7225°W. Nepean is about 9 km (5 mi) south of Ottawa, the capital. The nearest city on our map is Ottawa, 9 km to the north.

Nepean at a glance

Where is Nepean?

• The 32nd largest city in Canada by recorded population.
• The 15th largest city in Ontario on this site.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 8 h 43 min on the shortest day to 15 h 40 min on the longest day (around 21 December and 21 June).

Cities near Nepean

• Ottawa — 9 km north
• Aylmer — 10 km northwest
• Kanata — 16 km west
• Gatineau — 16 km north
• Cornwall — 86 km southeast
• Salaberry-de-Valleyfield — 125 km east
• Mirabel — 133 km east
• Kingston — 137 km southwest
• Saint-Jérôme — 143 km east
• Saint-Eustache — 144 km east

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.