| Quincy to Sinop | 5,024.58 mi (8,086.28 km) |
| Quincy to Siran | 5,262.40 mi (8,469.02 km) |
| Quincy to Sirnak | 5,519.58 mi (8,882.91 km) |
| Quincy to Sirvan | 5,476.17 mi (8,813.05 km) |
| Quincy to Sivas | 5,202.78 mi (8,373.06 km) |
| Quincy to Sivasli | 4,967.26 mi (7,994.03 km) |
| Quincy to Siverek | 5,387.92 mi (8,671.02 km) |
| Quincy to Sivrice | 5,353.85 mi (8,616.18 km) |
| Quincy to Sivrihisar | 4,999.87 mi (8,046.51 km) |
| Quincy to Sogut | 4,919.50 mi (7,917.17 km) |
| Quincy to Sogutlu | 4,892.64 mi (7,873.95 km) |
| Quincy to Soke | 4,904.42 mi (7,892.90 km) |
| Quincy to Solhan | 5,394.65 mi (8,681.85 km) |
| Quincy to Soma | 4,850.13 mi (7,805.53 km) |
| Quincy to Sorgun | 5,128.65 mi (8,253.77 km) |
