| Irondale to Sinop | 6,045.83 mi (9,729.82 km) |
| Irondale to Siran | 6,280.71 mi (10,107.82 km) |
| Irondale to Sirnak | 6,537.60 mi (10,521.26 km) |
| Irondale to Sirvan | 6,493.77 mi (10,450.71 km) |
| Irondale to Sivas | 6,226.30 mi (10,020.25 km) |
| Irondale to Sivasli | 6,003.17 mi (9,661.16 km) |
| Irondale to Siverek | 6,411.85 mi (10,318.88 km) |
| Irondale to Sivrice | 6,376.16 mi (10,261.44 km) |
| Irondale to Sivrihisar | 6,032.27 mi (9,708.00 km) |
| Irondale to Sogut | 5,952.50 mi (9,579.63 km) |
| Irondale to Sogutlu | 5,923.66 mi (9,533.22 km) |
| Irondale to Soke | 5,942.97 mi (9,564.29 km) |
| Irondale to Solhan | 6,412.05 mi (10,319.19 km) |
| Irondale to Soma | 5,886.92 mi (9,474.09 km) |
| Irondale to Sorgun | 6,155.15 mi (9,905.76 km) |
