| Serik to Koscian | 1,261.87 mi (2,030.78 km) |
| Serik to Koscielisko | 1,022.40 mi (1,645.39 km) |
| Serik to Koscierzyna | 1,342.44 mi (2,160.45 km) |
| Serik to Kostrzyn | 1,263.55 mi (2,033.48 km) |
| Serik to Kostrzyn nad Odra | 1,343.26 mi (2,161.77 km) |
| Serik to Koszalin | 1,388.86 mi (2,235.15 km) |
| Serik to Kowary | 1,218.72 mi (1,961.34 km) |
| Serik to Kozienice | 1,115.60 mi (1,795.39 km) |
| Serik to Kozuchow | 1,273.86 mi (2,050.08 km) |
| Serik to Kozy | 1,074.39 mi (1,729.06 km) |
| Serik to Krakow | 1,064.14 mi (1,712.57 km) |
| Serik to Krapkowice | 1,139.55 mi (1,833.93 km) |
| Serik to Krasnik | 1,061.74 mi (1,708.70 km) |
| Serik to Krasnystaw | 1,047.19 mi (1,685.29 km) |
| Serik to Krosno | 997.76 mi (1,605.75 km) |
