| Niksar to Jozefow | 1,090.71 mi (1,755.32 km) |
| Niksar to Kalisz | 1,182.31 mi (1,902.74 km) |
| Niksar to Kamien Pomorski | 1,381.42 mi (2,223.17 km) |
| Niksar to Kamienna Gora | 1,225.02 mi (1,971.48 km) |
| Niksar to Karczew | 1,087.92 mi (1,750.83 km) |
| Niksar to Kartuzy | 1,284.74 mi (2,067.59 km) |
| Niksar to Katowice | 1,093.06 mi (1,759.10 km) |
| Niksar to Kedzierzyn-Kozle | 1,127.10 mi (1,813.89 km) |
| Niksar to Kepno | 1,168.16 mi (1,879.98 km) |
| Niksar to Ketrzyn | 1,178.80 mi (1,897.09 km) |
| Niksar to Kety | 1,072.56 mi (1,726.12 km) |
| Niksar to Kielce | 1,056.91 mi (1,700.93 km) |
| Niksar to Kielczow | 1,192.99 mi (1,919.94 km) |
| Niksar to Klobuck | 1,119.79 mi (1,802.13 km) |
| Niksar to Klodzko | 1,189.94 mi (1,915.03 km) |
