| Serpa to Krosno Odrzanskie | 1,464.57 mi (2,356.99 km) |
| Serpa to Krotoszyn | 1,538.13 mi (2,475.39 km) |
| Serpa to Kruszwica | 1,604.36 mi (2,581.97 km) |
| Serpa to Krynica | 1,618.00 mi (2,603.92 km) |
| Serpa to Krzeszowice | 1,579.77 mi (2,542.39 km) |
| Serpa to Kudowa-Zdroj | 1,452.16 mi (2,337.03 km) |
| Serpa to Kutno | 1,628.70 mi (2,621.14 km) |
| Serpa to Kwidzyn | 1,662.16 mi (2,674.98 km) |
| Serpa to Lancut | 1,686.45 mi (2,714.08 km) |
| Serpa to Lapy | 1,784.32 mi (2,871.58 km) |
| Serpa to Lask | 1,600.23 mi (2,575.31 km) |
| Serpa to Laziska Gorne | 1,548.11 mi (2,491.45 km) |
| Serpa to Lebork | 1,651.29 mi (2,657.50 km) |
| Serpa to Leczna | 1,741.33 mi (2,802.40 km) |
| Serpa to Leczyca | 1,616.72 mi (2,601.86 km) |
