| Mastic Beach to Sinop | 5,163.17 mi (8,309.32 km) |
| Mastic Beach to Siran | 5,401.14 mi (8,692.29 km) |
| Mastic Beach to Sirnak | 5,658.31 mi (9,106.17 km) |
| Mastic Beach to Sirvan | 5,614.92 mi (9,036.35 km) |
| Mastic Beach to Sivas | 5,341.19 mi (8,595.81 km) |
| Mastic Beach to Sivasli | 5,103.94 mi (8,213.99 km) |
| Mastic Beach to Siverek | 5,526.28 mi (8,893.69 km) |
| Mastic Beach to Sivrice | 5,492.33 mi (8,839.05 km) |
| Mastic Beach to Sivrihisar | 5,137.28 mi (8,267.66 km) |
| Mastic Beach to Sogut | 5,056.81 mi (8,138.15 km) |
| Mastic Beach to Sogutlu | 5,030.28 mi (8,095.46 km) |
| Mastic Beach to Soke | 5,040.22 mi (8,111.45 km) |
| Mastic Beach to Solhan | 5,533.42 mi (8,905.17 km) |
| Mastic Beach to Soma | 4,986.58 mi (8,025.12 km) |
| Mastic Beach to Sorgun | 5,266.81 mi (8,476.12 km) |
