| Poquoson to Sinop | 5,473.71 mi (8,809.09 km) |
| Poquoson to Siran | 5,712.24 mi (9,192.96 km) |
| Poquoson to Sirnak | 5,969.36 mi (9,606.76 km) |
| Poquoson to Sirvan | 5,926.08 mi (9,537.11 km) |
| Poquoson to Sivas | 5,651.06 mi (9,094.50 km) |
| Poquoson to Sivasli | 5,408.32 mi (8,703.85 km) |
| Poquoson to Siverek | 5,835.94 mi (9,392.04 km) |
| Poquoson to Sivrice | 5,802.45 mi (9,338.14 km) |
| Poquoson to Sivrihisar | 5,443.87 mi (8,761.07 km) |
| Poquoson to Sogut | 5,363.12 mi (8,631.11 km) |
| Poquoson to Sogutlu | 5,337.61 mi (8,590.06 km) |
| Poquoson to Soke | 5,342.08 mi (8,597.24 km) |
| Poquoson to Solhan | 5,844.65 mi (9,406.06 km) |
| Poquoson to Soma | 5,290.31 mi (8,513.93 km) |
| Poquoson to Sorgun | 5,575.80 mi (8,973.38 km) |
