| Backnang to Castelli Calepio | 229.97 mi (370.09 km) |
| Backnang to Castelnovo ne' Monti | 315.18 mi (507.24 km) |
| Backnang to Castelnuovo Berardenga | 399.34 mi (642.68 km) |
| Backnang to Castelnuovo di Porto | 493.51 mi (794.22 km) |
| Backnang to Castelnuovo di Verona | 250.70 mi (403.46 km) |
| Backnang to Castelnuovo Rangone | 311.96 mi (502.06 km) |
| Backnang to Castelvetrano | 796.14 mi (1,281.26 km) |
| Backnang to Castelvetro di Modena | 315.51 mi (507.77 km) |
| Backnang to Castenaso | 321.38 mi (517.21 km) |
| Backnang to Castenedolo | 243.58 mi (392.00 km) |
| Backnang to Castiglion Fiorentino | 404.95 mi (651.70 km) |
| Backnang to Castiglione del Lago | 420.38 mi (676.54 km) |
| Backnang to Castiglione delle Stiviere | 250.12 mi (402.53 km) |
| Backnang to Castrolibero | 744.52 mi (1,198.18 km) |
| Backnang to Castrovillari | 713.21 mi (1,147.80 km) |
