| Backnang to Ciampino | 517.05 mi (832.12 km) |
| Backnang to Cicciano | 604.82 mi (973.36 km) |
| Backnang to Cingoli | 425.84 mi (685.33 km) |
| Backnang to Cinisello Balsamo | 234.88 mi (378.01 km) |
| Backnang to Cinisi | 766.89 mi (1,234.19 km) |
| Backnang to Cirie | 270.46 mi (435.26 km) |
| Backnang to Ciro Marina | 762.91 mi (1,227.78 km) |
| Backnang to Cislago | 228.79 mi (368.21 km) |
| Backnang to Cisterna di Latina | 534.26 mi (859.80 km) |
| Backnang to Cisternino | 688.89 mi (1,108.67 km) |
| Backnang to Citta di Castello | 402.11 mi (647.13 km) |
| Backnang to Citta Sant'Angelo | 496.75 mi (799.44 km) |
| Backnang to Cittadella | 253.01 mi (407.17 km) |
| Backnang to Cittanova | 803.38 mi (1,292.91 km) |
| Backnang to Cividale del Friuli | 271.14 mi (436.36 km) |
