| Boulogne-sur-Mer to Cento | 610.13 mi (981.90 km) |
| Boulogne-sur-Mer to Cepagatti | 824.82 mi (1,327.42 km) |
| Boulogne-sur-Mer to Ceprano | 850.37 mi (1,368.54 km) |
| Boulogne-sur-Mer to Cercola | 914.21 mi (1,471.28 km) |
| Boulogne-sur-Mer to Cerea | 584.96 mi (941.40 km) |
| Boulogne-sur-Mer to Cerese | 576.26 mi (927.40 km) |
| Boulogne-sur-Mer to Cerignola | 944.24 mi (1,519.61 km) |
| Boulogne-sur-Mer to Cermenate | 488.26 mi (785.78 km) |
| Boulogne-sur-Mer to Cernusco sul Naviglio | 505.76 mi (813.94 km) |
| Boulogne-sur-Mer to Cerreto Guidi | 647.27 mi (1,041.68 km) |
| Boulogne-sur-Mer to Cerro Maggiore | 489.17 mi (787.25 km) |
| Boulogne-sur-Mer to Certaldo | 664.01 mi (1,068.62 km) |
| Boulogne-sur-Mer to Cerveteri | 781.68 mi (1,258.00 km) |
| Boulogne-sur-Mer to Cervia | 670.47 mi (1,079.03 km) |
| Boulogne-sur-Mer to Cervignano del Friuli | 635.49 mi (1,022.72 km) |
