| Boom to Cogolin | 550.45 mi (885.86 km) |
| Boom to Colmar | 246.81 mi (397.20 km) |
| Boom to Colombes | 176.29 mi (283.71 km) |
| Boom to Colomiers | 535.10 mi (861.16 km) |
| Boom to Combs-la-Ville | 185.12 mi (297.92 km) |
| Boom to Comines | 63.23 mi (101.76 km) |
| Boom to Compiegne | 133.93 mi (215.54 km) |
| Boom to Concarneau | 432.61 mi (696.22 km) |
| Boom to Conde-sur-l'Escaut | 55.41 mi (89.17 km) |
| Boom to Conflans-Sainte-Honorine | 175.67 mi (282.72 km) |
| Boom to Corbas | 374.96 mi (603.43 km) |
| Boom to Corbeil-Essonnes | 190.15 mi (306.01 km) |
| Boom to Cormeilles-en-Parisis | 174.56 mi (280.93 km) |
| Boom to Cosne sur Loire | 261.96 mi (421.59 km) |
| Boom to Coudekerque-Branche | 85.87 mi (138.19 km) |
