| Eustis to Sinop | 6,101.70 mi (9,819.74 km) |
| Eustis to Siran | 6,341.88 mi (10,206.27 km) |
| Eustis to Sirnak | 6,598.56 mi (10,619.36 km) |
| Eustis to Sirvan | 6,555.71 mi (10,550.39 km) |
| Eustis to Sivas | 6,276.61 mi (10,101.23 km) |
| Eustis to Sivasli | 6,017.96 mi (9,684.98 km) |
| Eustis to Siverek | 6,460.59 mi (10,397.31 km) |
| Eustis to Sivrice | 6,428.66 mi (10,345.92 km) |
| Eustis to Sivrihisar | 6,059.72 mi (9,752.18 km) |
| Eustis to Sogut | 5,978.31 mi (9,621.16 km) |
| Eustis to Sogutlu | 5,955.82 mi (9,584.96 km) |
| Eustis to Soke | 5,944.97 mi (9,567.50 km) |
| Eustis to Solhan | 6,474.62 mi (10,419.89 km) |
| Eustis to Soma | 5,898.41 mi (9,492.58 km) |
| Eustis to Sorgun | 6,198.66 mi (9,975.77 km) |
