| Niksar to Oschatz | 1,355.17 mi (2,180.94 km) |
| Niksar to Oschersleben | 1,447.86 mi (2,330.11 km) |
| Niksar to Osnabruck | 1,581.10 mi (2,544.53 km) |
| Niksar to Ostbevern | 1,583.85 mi (2,548.96 km) |
| Niksar to Osterburg | 1,449.65 mi (2,332.99 km) |
| Niksar to Ostercappeln | 1,575.32 mi (2,535.24 km) |
| Niksar to Osterhofen | 1,296.68 mi (2,086.81 km) |
| Niksar to Osterholz-Scharmbeck | 1,574.58 mi (2,534.05 km) |
| Niksar to Osternienburg | 1,411.93 mi (2,272.28 km) |
| Niksar to Osterode | 1,479.98 mi (2,381.79 km) |
| Niksar to Osterwieck | 1,467.52 mi (2,361.74 km) |
| Niksar to Ostfildern | 1,463.68 mi (2,355.56 km) |
| Niksar to Osthofen | 1,519.20 mi (2,444.92 km) |
| Niksar to Ostrhauderfehn | 1,617.71 mi (2,603.45 km) |
| Niksar to Ostringen | 1,494.81 mi (2,405.67 km) |
