| Backnang to Karis | 953.17 mi (1,533.97 km) |
| Backnang to Karkkila | 989.52 mi (1,592.49 km) |
| Backnang to Kauhajoki | 1,051.44 mi (1,692.13 km) |
| Backnang to Kauhava | 1,105.40 mi (1,778.97 km) |
| Backnang to Kauniainen | 985.89 mi (1,586.63 km) |
| Backnang to Kemi | 1,282.11 mi (2,063.35 km) |
| Backnang to Kemijarvi | 1,383.19 mi (2,226.03 km) |
| Backnang to Kempele | 1,250.37 mi (2,012.28 km) |
| Backnang to Kerava | 1,003.72 mi (1,615.32 km) |
| Backnang to Keuruu | 1,090.09 mi (1,754.32 km) |
| Backnang to Kiiminki | 1,267.29 mi (2,039.51 km) |
| Backnang to Kirkkonummi | 973.33 mi (1,566.43 km) |
| Backnang to Kitee | 1,206.47 mi (1,941.62 km) |
| Backnang to Kiuruvesi | 1,202.28 mi (1,934.88 km) |
| Backnang to Kivisto | 993.84 mi (1,599.43 km) |
