| Altus to Sinop | 6,405.53 mi (10,308.71 km) |
| Altus to Siran | 6,627.58 mi (10,666.05 km) |
| Altus to Sirnak | 6,879.12 mi (11,070.88 km) |
| Altus to Sirvan | 6,834.81 mi (10,999.57 km) |
| Altus to Sivas | 6,590.20 mi (10,605.90 km) |
| Altus to Sivasli | 6,421.42 mi (10,334.28 km) |
| Altus to Siverek | 6,774.07 mi (10,901.81 km) |
| Altus to Sivrice | 6,733.68 mi (10,836.81 km) |
| Altus to Sivrihisar | 6,432.59 mi (10,352.25 km) |
| Altus to Sogut | 6,356.71 mi (10,230.13 km) |
| Altus to Sogutlu | 6,319.66 mi (10,170.51 km) |
| Altus to Soke | 6,379.54 mi (10,266.88 km) |
| Altus to Solhan | 6,753.96 mi (10,869.46 km) |
| Altus to Soma | 6,311.91 mi (10,158.03 km) |
| Altus to Sorgun | 6,530.36 mi (10,509.60 km) |
