| Niksar to Sucha Beskidzka | 1,052.68 mi (1,694.13 km) |
| Niksar to Suchanino | 1,273.34 mi (2,049.25 km) |
| Niksar to Sulechow | 1,283.54 mi (2,065.66 km) |
| Niksar to Sulecin | 1,314.50 mi (2,115.48 km) |
| Niksar to Sulejowek | 1,094.24 mi (1,761.01 km) |
| Niksar to Suwalki | 1,137.44 mi (1,830.53 km) |
| Niksar to Swarzedz | 1,242.78 mi (2,000.06 km) |
| Niksar to Swidnica | 1,209.72 mi (1,946.85 km) |
| Niksar to Swidnik | 1,001.71 mi (1,612.10 km) |
| Niksar to Swidwin | 1,340.55 mi (2,157.40 km) |
| Niksar to Swiebodzice | 1,216.04 mi (1,957.03 km) |
| Niksar to Swiecie | 1,237.39 mi (1,991.39 km) |
| Niksar to Swiedbodzin | 1,292.35 mi (2,079.84 km) |
| Niksar to Swietochlowice | 1,097.70 mi (1,766.57 km) |
| Niksar to Swinoujscie | 1,397.37 mi (2,248.85 km) |
