| Backnang to Kastoria | 820.83 mi (1,321.00 km) |
| Backnang to Katerini | 876.91 mi (1,411.25 km) |
| Backnang to Keratsini | 1,036.72 mi (1,668.43 km) |
| Backnang to Kerkyra | 825.52 mi (1,328.55 km) |
| Backnang to Kiato | 1,005.43 mi (1,618.08 km) |
| Backnang to Kifisia | 1,037.24 mi (1,669.28 km) |
| Backnang to Kilkis | 854.63 mi (1,375.39 km) |
| Backnang to Komotini | 947.42 mi (1,524.73 km) |
| Backnang to Korinthos | 1,015.22 mi (1,633.84 km) |
| Backnang to Koropi | 1,049.04 mi (1,688.26 km) |
| Backnang to Korydallos | 1,036.95 mi (1,668.80 km) |
| Backnang to Kos | 1,223.35 mi (1,968.80 km) |
| Backnang to Kozani | 849.97 mi (1,367.90 km) |
| Backnang to Lagos | 933.43 mi (1,502.21 km) |
| Backnang to Lamia | 946.37 mi (1,523.04 km) |
