| Longford to Cognac | 646.75 mi (1,040.84 km) |
| Longford to Cogolin | 973.29 mi (1,566.36 km) |
| Longford to Colmar | 764.66 mi (1,230.60 km) |
| Longford to Colombes | 545.52 mi (877.92 km) |
| Longford to Colomiers | 812.17 mi (1,307.07 km) |
| Longford to Combs-la-Ville | 567.62 mi (913.50 km) |
| Longford to Comines | 500.38 mi (805.28 km) |
| Longford to Compiegne | 544.01 mi (875.50 km) |
| Longford to Concarneau | 438.23 mi (705.26 km) |
| Longford to Conde-sur-l'Escaut | 533.17 mi (858.06 km) |
| Longford to Conflans-Sainte-Honorine | 536.82 mi (863.93 km) |
| Longford to Corbas | 792.94 mi (1,276.12 km) |
| Longford to Corbeil-Essonnes | 567.58 mi (913.43 km) |
| Longford to Cormeilles-en-Parisis | 541.49 mi (871.45 km) |
| Longford to Cosne sur Loire | 640.62 mi (1,030.98 km) |
