| Castlebar to Chenove | 772.34 mi (1,242.96 km) |
| Castlebar to Cherbourg | 439.77 mi (707.74 km) |
| Castlebar to Chevigny-Saint-Sauveur | 776.39 mi (1,249.48 km) |
| Castlebar to Chevilly-Larue | 612.90 mi (986.37 km) |
| Castlebar to Chilly-Mazarin | 614.29 mi (988.60 km) |
| Castlebar to Choisy-le-Roi | 615.01 mi (989.77 km) |
| Castlebar to Cholet | 597.46 mi (961.52 km) |
| Castlebar to Clamart | 608.18 mi (978.78 km) |
| Castlebar to Claye-Souilly | 617.03 mi (993.01 km) |
| Castlebar to Clermont | 589.08 mi (948.03 km) |
| Castlebar to Clermont-Ferrand | 782.80 mi (1,259.80 km) |
| Castlebar to Clermont-l'Herault | 911.72 mi (1,467.27 km) |
| Castlebar to Clichy | 605.23 mi (974.03 km) |
| Castlebar to Clichy-sous-Bois | 613.74 mi (987.72 km) |
| Castlebar to Cluses | 884.66 mi (1,423.73 km) |
