| Backnang to Chitila | 839.58 mi (1,351.18 km) |
| Backnang to Cisnadie | 723.28 mi (1,164.00 km) |
| Backnang to Cluj-Napoca | 672.12 mi (1,081.67 km) |
| Backnang to Codlea | 781.20 mi (1,257.21 km) |
| Backnang to Comanesti | 808.62 mi (1,301.35 km) |
| Backnang to Comarnic | 801.95 mi (1,290.61 km) |
| Backnang to Constanta | 967.07 mi (1,556.34 km) |
| Backnang to Corabia | 800.76 mi (1,288.70 km) |
| Backnang to Costesti | 786.32 mi (1,265.45 km) |
| Backnang to Covasna | 810.42 mi (1,304.25 km) |
| Backnang to Craiova | 751.62 mi (1,209.62 km) |
| Backnang to Cristuru Secuiesc | 748.06 mi (1,203.89 km) |
| Backnang to Cugir | 684.86 mi (1,102.18 km) |
| Backnang to Cumpana | 965.32 mi (1,553.53 km) |
| Backnang to Curtea de Arges | 763.01 mi (1,227.95 km) |
