| Boulogne-Billancourt to Buxtehude | 454.93 mi (732.14 km) |
| Boulogne-Billancourt to Cadolzburg | 391.97 mi (630.81 km) |
| Boulogne-Billancourt to Calbe | 470.15 mi (756.64 km) |
| Boulogne-Billancourt to Calw | 295.64 mi (475.79 km) |
| Boulogne-Billancourt to Castrop-Rauxel | 292.45 mi (470.65 km) |
| Boulogne-Billancourt to Celle | 431.11 mi (693.80 km) |
| Boulogne-Billancourt to Cham | 471.95 mi (759.54 km) |
| Boulogne-Billancourt to Chemnitz | 494.89 mi (796.44 km) |
| Boulogne-Billancourt to Clausthal-Zellerfeld | 411.52 mi (662.28 km) |
| Boulogne-Billancourt to Cloppenburg | 375.51 mi (604.32 km) |
| Boulogne-Billancourt to Coburg | 403.19 mi (648.87 km) |
| Boulogne-Billancourt to Coesfeld | 305.47 mi (491.61 km) |
| Boulogne-Billancourt to Cologne | 255.02 mi (410.42 km) |
| Boulogne-Billancourt to Coswig | 527.70 mi (849.25 km) |
| Boulogne-Billancourt to Coswig | 495.61 mi (797.61 km) |
