| Castlebar to Creutzwald | 756.76 mi (1,217.88 km) |
| Castlebar to Croissy-sur-Seine | 600.60 mi (966.57 km) |
| Castlebar to Croix | 569.50 mi (916.52 km) |
| Castlebar to Crosne | 618.97 mi (996.13 km) |
| Castlebar to Cuers | 1,012.12 mi (1,628.86 km) |
| Castlebar to Cugnaux | 860.67 mi (1,385.12 km) |
| Castlebar to Cusset | 776.27 mi (1,249.28 km) |
| Castlebar to Dammarie-le-Lys | 633.96 mi (1,020.26 km) |
| Castlebar to Dammartin-en-Goele | 612.23 mi (985.29 km) |
| Castlebar to Dardilly | 835.12 mi (1,343.99 km) |
| Castlebar to Darnetal | 541.16 mi (870.91 km) |
| Castlebar to Dax | 794.33 mi (1,278.35 km) |
| Castlebar to Decines-Charpieu | 843.75 mi (1,357.88 km) |
| Castlebar to Denain | 590.43 mi (950.21 km) |
| Castlebar to Deuil-la-Barre | 602.85 mi (970.19 km) |
