| Letterkenny to Chenove | 762.78 mi (1,227.58 km) |
| Letterkenny to Cherbourg | 449.26 mi (723.02 km) |
| Letterkenny to Chevigny-Saint-Sauveur | 766.22 mi (1,233.11 km) |
| Letterkenny to Chevilly-Larue | 605.26 mi (974.07 km) |
| Letterkenny to Chilly-Mazarin | 607.37 mi (977.46 km) |
| Letterkenny to Choisy-le-Roi | 607.11 mi (977.05 km) |
| Letterkenny to Cholet | 620.74 mi (998.98 km) |
| Letterkenny to Clamart | 600.73 mi (966.77 km) |
| Letterkenny to Claye-Souilly | 606.25 mi (975.66 km) |
| Letterkenny to Clermont | 575.97 mi (926.94 km) |
| Letterkenny to Clermont-Ferrand | 790.81 mi (1,272.68 km) |
| Letterkenny to Clermont-l'Herault | 927.74 mi (1,493.05 km) |
| Letterkenny to Clichy | 596.70 mi (960.30 km) |
| Letterkenny to Clichy-sous-Bois | 603.91 mi (971.91 km) |
| Letterkenny to Cluses | 875.83 mi (1,409.51 km) |
