| Sinop to Sucha Beskidzka | 915.96 mi (1,474.10 km) |
| Sinop to Suchanino | 1,137.38 mi (1,830.43 km) |
| Sinop to Sulechow | 1,146.42 mi (1,844.98 km) |
| Sinop to Sulecin | 1,177.34 mi (1,894.74 km) |
| Sinop to Sulejowek | 957.74 mi (1,541.34 km) |
| Sinop to Suwalki | 1,004.01 mi (1,615.79 km) |
| Sinop to Swarzedz | 1,105.58 mi (1,779.26 km) |
| Sinop to Swidnica | 1,072.99 mi (1,726.80 km) |
| Sinop to Swidnik | 865.04 mi (1,392.15 km) |
| Sinop to Swidwin | 1,203.52 mi (1,936.88 km) |
| Sinop to Swiebodzice | 1,079.33 mi (1,737.01 km) |
| Sinop to Swiecie | 1,100.72 mi (1,771.44 km) |
| Sinop to Swiedbodzin | 1,155.20 mi (1,859.11 km) |
| Sinop to Swietochlowice | 960.79 mi (1,546.25 km) |
| Sinop to Swinoujscie | 1,260.23 mi (2,028.14 km) |
