| Boulogne-Billancourt to Cabries | 401.76 mi (646.57 km) |
| Boulogne-Billancourt to Cachan | 5.11 mi (8.22 km) |
| Boulogne-Billancourt to Caen | 120.70 mi (194.25 km) |
| Boulogne-Billancourt to Cagnes-sur-Mer | 427.15 mi (687.42 km) |
| Boulogne-Billancourt to Cahors | 305.52 mi (491.69 km) |
| Boulogne-Billancourt to Calais | 146.99 mi (236.55 km) |
| Boulogne-Billancourt to Caluire-et-Cuire | 242.91 mi (390.92 km) |
| Boulogne-Billancourt to Cambrai | 102.87 mi (165.56 km) |
| Boulogne-Billancourt to Canet-en-Roussillon | 425.12 mi (684.16 km) |
| Boulogne-Billancourt to Cannes | 430.35 mi (692.58 km) |
| Boulogne-Billancourt to Canteleu | 69.11 mi (111.22 km) |
| Boulogne-Billancourt to Capbreton | 399.34 mi (642.67 km) |
| Boulogne-Billancourt to Carcassonne | 388.70 mi (625.55 km) |
| Boulogne-Billancourt to Carmaux | 330.70 mi (532.22 km) |
| Boulogne-Billancourt to Carpentras | 356.19 mi (573.24 km) |
