| Backnang to Cosenza | 746.68 mi (1,201.66 km) |
| Backnang to Cossato | 240.91 mi (387.71 km) |
| Backnang to Costa Volpino | 217.54 mi (350.09 km) |
| Backnang to Creazzo | 254.70 mi (409.90 km) |
| Backnang to Crema | 247.62 mi (398.50 km) |
| Backnang to Cremona | 264.98 mi (426.45 km) |
| Backnang to Crevalcore | 303.31 mi (488.14 km) |
| Backnang to Crispiano | 691.30 mi (1,112.54 km) |
| Backnang to Crosia | 742.01 mi (1,194.14 km) |
| Backnang to Crotone | 780.25 mi (1,255.69 km) |
| Backnang to Cuneo | 327.62 mi (527.25 km) |
| Backnang to Cuorgne | 259.57 mi (417.74 km) |
| Backnang to Cusano Milanino | 234.95 mi (378.12 km) |
| Backnang to Cutro | 780.17 mi (1,255.57 km) |
| Backnang to Cutrofiano | 746.41 mi (1,201.23 km) |
