| Boulogne-Billancourt to Capoterra | 745.89 mi (1,200.40 km) |
| Boulogne-Billancourt to Capriolo | 422.85 mi (680.51 km) |
| Boulogne-Billancourt to Capua | 790.60 mi (1,272.35 km) |
| Boulogne-Billancourt to Capurso | 894.37 mi (1,439.35 km) |
| Boulogne-Billancourt to Carate Brianza | 388.04 mi (624.50 km) |
| Boulogne-Billancourt to Caravaggio | 416.93 mi (670.99 km) |
| Boulogne-Billancourt to Carbonera | 518.29 mi (834.11 km) |
| Boulogne-Billancourt to Carbonia | 736.71 mi (1,185.63 km) |
| Boulogne-Billancourt to Cardito | 801.50 mi (1,289.89 km) |
| Boulogne-Billancourt to Carignano | 373.32 mi (600.80 km) |
| Boulogne-Billancourt to Carini | 918.69 mi (1,478.49 km) |
| Boulogne-Billancourt to Carlentini | 1,023.29 mi (1,646.82 km) |
| Boulogne-Billancourt to Carmagnola | 377.68 mi (607.82 km) |
| Boulogne-Billancourt to Carmiano | 970.87 mi (1,562.47 km) |
| Boulogne-Billancourt to Carmignano | 543.04 mi (873.94 km) |
