| Niksar to Isny im Allgau | 1,413.96 mi (2,275.54 km) |
| Niksar to Isselburg | 1,635.70 mi (2,632.40 km) |
| Niksar to Issum | 1,631.90 mi (2,626.28 km) |
| Niksar to Itzehoe | 1,567.16 mi (2,522.10 km) |
| Niksar to Jena | 1,406.52 mi (2,263.57 km) |
| Niksar to Jever | 1,618.20 mi (2,604.23 km) |
| Niksar to Jork | 1,549.83 mi (2,494.21 km) |
| Niksar to Juchen | 1,620.75 mi (2,608.34 km) |
| Niksar to Julich | 1,623.71 mi (2,613.10 km) |
| Niksar to Juterbog | 1,376.46 mi (2,215.20 km) |
| Niksar to Kaarst | 1,617.98 mi (2,603.89 km) |
| Niksar to Kaiserslautern | 1,539.59 mi (2,477.73 km) |
| Niksar to Kalkar | 1,641.05 mi (2,641.01 km) |
| Niksar to Kall | 1,609.43 mi (2,590.13 km) |
| Niksar to Kaltenkirchen | 1,548.28 mi (2,491.72 km) |
