| South Portland to Chenove | 3,511.97 mi (5,651.97 km) |
| South Portland to Cherbourg | 3,170.36 mi (5,102.21 km) |
| South Portland to Chevigny-Saint-Sauveur | 3,517.08 mi (5,660.20 km) |
| South Portland to Chevilly-Larue | 3,358.35 mi (5,404.74 km) |
| South Portland to Chilly-Mazarin | 3,358.36 mi (5,404.75 km) |
| South Portland to Choisy-le-Roi | 3,360.77 mi (5,408.64 km) |
| South Portland to Cholet | 3,266.12 mi (5,256.32 km) |
| South Portland to Clamart | 3,353.61 mi (5,397.11 km) |
| South Portland to Claye-Souilly | 3,367.49 mi (5,419.45 km) |
| South Portland to Clermont | 3,344.48 mi (5,382.42 km) |
| South Portland to Clermont-Ferrand | 3,474.32 mi (5,591.38 km) |
| South Portland to Clermont-l'Herault | 3,556.16 mi (5,723.09 km) |
| South Portland to Clichy | 3,352.68 mi (5,395.61 km) |
| South Portland to Clichy-sous-Bois | 3,362.85 mi (5,411.98 km) |
| South Portland to Cluses | 3,616.40 mi (5,820.03 km) |
