| South River to Krosno Odrzanskie | 4,073.46 mi (6,555.60 km) |
| South River to Krotoszyn | 4,172.65 mi (6,715.23 km) |
| South River to Kruszwica | 4,172.56 mi (6,715.08 km) |
| South River to Krynica | 4,385.55 mi (7,057.86 km) |
| South River to Krzeszowice | 4,309.20 mi (6,934.99 km) |
| South River to Kudowa-Zdroj | 4,168.86 mi (6,709.14 km) |
| South River to Kutno | 4,225.68 mi (6,800.57 km) |
| South River to Kwidzyn | 4,158.93 mi (6,693.15 km) |
| South River to Lancut | 4,409.54 mi (7,096.46 km) |
| South River to Lapy | 4,325.83 mi (6,961.75 km) |
| South River to Lask | 4,239.26 mi (6,822.42 km) |
| South River to Laziska Gorne | 4,278.81 mi (6,886.08 km) |
| South River to Lebork | 4,090.18 mi (6,582.51 km) |
| South River to Leczna | 4,387.68 mi (7,061.29 km) |
| South River to Leczyca | 4,225.86 mi (6,800.86 km) |
