| Backnang to Cologno al Serio | 232.71 mi (374.51 km) |
| Backnang to Cologno Monzese | 236.26 mi (380.22 km) |
| Backnang to Colorno | 280.89 mi (452.05 km) |
| Backnang to Comacchio | 320.91 mi (516.45 km) |
| Backnang to Comiso | 868.59 mi (1,397.87 km) |
| Backnang to Como | 217.28 mi (349.68 km) |
| Backnang to Concordia Sagittaria | 271.75 mi (437.34 km) |
| Backnang to Concorezzo | 231.97 mi (373.32 km) |
| Backnang to Conegliano | 250.26 mi (402.76 km) |
| Backnang to Conselice | 326.48 mi (525.43 km) |
| Backnang to Conselve | 280.94 mi (452.14 km) |
| Backnang to Conversano | 666.47 mi (1,072.59 km) |
| Backnang to Copertino | 733.42 mi (1,180.33 km) |
| Backnang to Copparo | 301.65 mi (485.47 km) |
| Backnang to Corato | 636.50 mi (1,024.35 km) |
