| Backnang to Carpentras | 396.84 mi (638.66 km) |
| Backnang to Carquefou | 516.06 mi (830.52 km) |
| Backnang to Carqueiranne | 435.08 mi (700.19 km) |
| Backnang to Carrieres-sous-Poissy | 335.30 mi (539.61 km) |
| Backnang to Carrieres-sur-Seine | 324.08 mi (521.56 km) |
| Backnang to Carros | 373.02 mi (600.31 km) |
| Backnang to Carvin | 308.12 mi (495.87 km) |
| Backnang to Castanet-Tolosan | 532.88 mi (857.59 km) |
| Backnang to Castelginest | 526.12 mi (846.72 km) |
| Backnang to Castelnau-le-Lez | 451.67 mi (726.90 km) |
| Backnang to Castelnaudary | 528.07 mi (849.84 km) |
| Backnang to Castelsarrasin | 520.69 mi (837.97 km) |
| Backnang to Castres | 503.60 mi (810.47 km) |
| Backnang to Caudebec-les-Elbeuf | 380.83 mi (612.89 km) |
| Backnang to Caudry | 281.81 mi (453.53 km) |
