| Ottawa to Creutzwald | 4,357.20 mi (7,012.24 km) |
| Ottawa to Croissy-sur-Seine | 4,193.93 mi (6,749.47 km) |
| Ottawa to Croix | 4,169.64 mi (6,710.39 km) |
| Ottawa to Crosne | 4,212.16 mi (6,778.82 km) |
| Ottawa to Cuers | 4,563.63 mi (7,344.45 km) |
| Ottawa to Cugnaux | 4,354.97 mi (7,008.64 km) |
| Ottawa to Cusset | 4,345.51 mi (6,993.42 km) |
| Ottawa to Dammarie-le-Lys | 4,226.18 mi (6,801.38 km) |
| Ottawa to Dammartin-en-Goele | 4,208.73 mi (6,773.29 km) |
| Ottawa to Dardilly | 4,410.11 mi (7,097.38 km) |
| Ottawa to Darnetal | 4,135.52 mi (6,655.48 km) |
| Ottawa to Dax | 4,247.14 mi (6,835.11 km) |
| Ottawa to Decines-Charpieu | 4,419.78 mi (7,112.95 km) |
| Ottawa to Denain | 4,191.14 mi (6,744.99 km) |
| Ottawa to Deuil-la-Barre | 4,197.67 mi (6,755.50 km) |
