| Niksar to Koscian | 1,245.81 mi (2,004.93 km) |
| Niksar to Koscielisko | 1,025.49 mi (1,650.37 km) |
| Niksar to Koscierzyna | 1,281.97 mi (2,063.13 km) |
| Niksar to Kostrzyn | 1,236.93 mi (1,990.65 km) |
| Niksar to Kostrzyn nad Odra | 1,335.65 mi (2,149.53 km) |
| Niksar to Koszalin | 1,343.25 mi (2,161.75 km) |
| Niksar to Kowary | 1,233.08 mi (1,984.45 km) |
| Niksar to Kozienice | 1,055.24 mi (1,698.24 km) |
| Niksar to Kozuchow | 1,272.88 mi (2,048.50 km) |
| Niksar to Kozy | 1,073.98 mi (1,728.41 km) |
| Niksar to Krakow | 1,050.90 mi (1,691.25 km) |
| Niksar to Krapkowice | 1,140.01 mi (1,834.67 km) |
| Niksar to Krasnik | 1,004.15 mi (1,616.02 km) |
| Niksar to Krasnystaw | 975.33 mi (1,569.64 km) |
| Niksar to Krosno | 969.10 mi (1,559.62 km) |
