| Serpa to Jozefow | 1,697.31 mi (2,731.55 km) |
| Serpa to Kalisz | 1,565.00 mi (2,518.63 km) |
| Serpa to Kamien Pomorski | 1,530.13 mi (2,462.50 km) |
| Serpa to Kamienna Gora | 1,455.31 mi (2,342.09 km) |
| Serpa to Karczew | 1,696.56 mi (2,730.35 km) |
| Serpa to Kartuzy | 1,658.30 mi (2,668.77 km) |
| Serpa to Katowice | 1,558.04 mi (2,507.42 km) |
| Serpa to Kedzierzyn-Kozle | 1,527.30 mi (2,457.95 km) |
| Serpa to Kepno | 1,546.41 mi (2,488.71 km) |
| Serpa to Ketrzyn | 1,761.19 mi (2,834.36 km) |
| Serpa to Kety | 1,556.61 mi (2,505.12 km) |
| Serpa to Kielce | 1,639.63 mi (2,638.73 km) |
| Serpa to Kielczow | 1,510.89 mi (2,431.55 km) |
| Serpa to Klobuck | 1,572.71 mi (2,531.03 km) |
| Serpa to Klodzko | 1,468.11 mi (2,362.69 km) |
