| Portimao to Chenove | 983.53 mi (1,582.83 km) |
| Portimao to Cherbourg | 930.07 mi (1,496.80 km) |
| Portimao to Chevigny-Saint-Sauveur | 988.58 mi (1,590.96 km) |
| Portimao to Chevilly-Larue | 972.03 mi (1,564.33 km) |
| Portimao to Chilly-Mazarin | 967.41 mi (1,556.90 km) |
| Portimao to Choisy-le-Roi | 973.42 mi (1,566.57 km) |
| Portimao to Cholet | 789.21 mi (1,270.11 km) |
| Portimao to Clamart | 971.39 mi (1,563.30 km) |
| Portimao to Claye-Souilly | 991.13 mi (1,595.06 km) |
| Portimao to Clermont | 1,007.18 mi (1,620.90 km) |
| Portimao to Clermont-Ferrand | 846.23 mi (1,361.87 km) |
| Portimao to Clermont-l'Herault | 772.06 mi (1,242.50 km) |
| Portimao to Clichy | 978.22 mi (1,574.30 km) |
| Portimao to Clichy-sous-Bois | 985.46 mi (1,585.95 km) |
| Portimao to Cluses | 992.21 mi (1,596.81 km) |
