| Ottawa to Chenove | 4,364.06 mi (7,023.27 km) |
| Ottawa to Cherbourg | 4,021.27 mi (6,471.61 km) |
| Ottawa to Chevigny-Saint-Sauveur | 4,368.71 mi (7,030.75 km) |
| Ottawa to Chevilly-Larue | 4,206.11 mi (6,769.09 km) |
| Ottawa to Chilly-Mazarin | 4,206.78 mi (6,770.15 km) |
| Ottawa to Choisy-le-Roi | 4,208.41 mi (6,772.79 km) |
| Ottawa to Cholet | 4,136.41 mi (6,656.90 km) |
| Ottawa to Clamart | 4,201.34 mi (6,761.40 km) |
| Ottawa to Claye-Souilly | 4,212.80 mi (6,779.85 km) |
| Ottawa to Clermont | 4,186.84 mi (6,738.07 km) |
| Ottawa to Clermont-Ferrand | 4,343.44 mi (6,990.08 km) |
| Ottawa to Clermont-l'Herault | 4,439.14 mi (7,144.11 km) |
| Ottawa to Clichy | 4,199.41 mi (6,758.29 km) |
| Ottawa to Clichy-sous-Bois | 4,208.83 mi (6,773.46 km) |
| Ottawa to Cluses | 4,473.17 mi (7,198.86 km) |
