| Backnang to Castelfiorentino | 376.59 mi (606.07 km) |
| Backnang to Castelfranco di Sopra | 381.50 mi (613.97 km) |
| Backnang to Castelfranco di Sotto | 367.90 mi (592.08 km) |
| Backnang to Castelfranco Emilia | 310.16 mi (499.16 km) |
| Backnang to Castelfranco Veneto | 255.11 mi (410.56 km) |
| Backnang to Castellabate | 657.14 mi (1,057.57 km) |
| Backnang to Castellammare del Golfo | 773.85 mi (1,245.39 km) |
| Backnang to Castellammare di Stabia | 621.18 mi (999.69 km) |
| Backnang to Castellamonte | 259.15 mi (417.06 km) |
| Backnang to Castellana Grotte | 672.75 mi (1,082.69 km) |
| Backnang to Castellaneta | 681.34 mi (1,096.51 km) |
| Backnang to Castellanza | 231.40 mi (372.40 km) |
| Backnang to Castellarano | 309.29 mi (497.76 km) |
| Backnang to Castelleone | 252.71 mi (406.70 km) |
| Backnang to Castelletto sopra Ticino | 226.25 mi (364.11 km) |
