| Castlebar to Carpentras | 936.08 mi (1,506.48 km) |
| Castlebar to Carquefou | 567.60 mi (913.47 km) |
| Castlebar to Carqueiranne | 1,019.97 mi (1,641.48 km) |
| Castlebar to Carrieres-sous-Poissy | 593.89 mi (955.78 km) |
| Castlebar to Carrieres-sur-Seine | 604.33 mi (972.58 km) |
| Castlebar to Carros | 1,019.55 mi (1,640.80 km) |
| Castlebar to Carvin | 568.09 mi (914.26 km) |
| Castlebar to Castanet-Tolosan | 865.92 mi (1,393.56 km) |
| Castlebar to Castelginest | 853.68 mi (1,373.86 km) |
| Castlebar to Castelnau-le-Lez | 924.69 mi (1,488.15 km) |
| Castlebar to Castelnaudary | 889.37 mi (1,431.30 km) |
| Castlebar to Castelsarrasin | 824.80 mi (1,327.39 km) |
| Castlebar to Castres | 880.61 mi (1,417.20 km) |
| Castlebar to Caudebec-les-Elbeuf | 543.71 mi (875.02 km) |
| Castlebar to Caudry | 598.08 mi (962.51 km) |
