| Portland to Chenove | 5,282.63 mi (8,501.57 km) |
| Portland to Cherbourg | 4,971.51 mi (8,000.87 km) |
| Portland to Chevigny-Saint-Sauveur | 5,285.46 mi (8,506.12 km) |
| Portland to Chevilly-Larue | 5,128.32 mi (8,253.24 km) |
| Portland to Chilly-Mazarin | 5,130.76 mi (8,257.16 km) |
| Portland to Choisy-le-Roi | 5,130.02 mi (8,255.97 km) |
| Portland to Cholet | 5,131.03 mi (8,257.59 km) |
| Portland to Clamart | 5,123.92 mi (8,246.16 km) |
| Portland to Claye-Souilly | 5,127.42 mi (8,251.79 km) |
| Portland to Clermont | 5,095.96 mi (8,201.16 km) |
| Portland to Clermont-Ferrand | 5,314.92 mi (8,553.54 km) |
| Portland to Clermont-l'Herault | 5,446.20 mi (8,764.81 km) |
| Portland to Clichy | 5,119.40 mi (8,238.87 km) |
| Portland to Clichy-sous-Bois | 5,125.75 mi (8,249.10 km) |
| Portland to Cluses | 5,394.84 mi (8,682.16 km) |
