| Derry to Sinop | 2,099.90 mi (3,379.47 km) |
| Derry to Siran | 2,339.45 mi (3,764.98 km) |
| Derry to Sirnak | 2,596.30 mi (4,178.35 km) |
| Derry to Sirvan | 2,553.31 mi (4,109.16 km) |
| Derry to Sivas | 2,276.89 mi (3,664.30 km) |
| Derry to Sivasli | 2,055.27 mi (3,307.64 km) |
| Derry to Siverek | 2,461.87 mi (3,961.99 km) |
| Derry to Sivrice | 2,428.29 mi (3,907.95 km) |
| Derry to Sivrihisar | 2,078.55 mi (3,345.11 km) |
| Derry to Sogut | 1,999.39 mi (3,217.71 km) |
| Derry to Sogutlu | 1,969.33 mi (3,169.33 km) |
| Derry to Soke | 2,007.49 mi (3,230.75 km) |
| Derry to Solhan | 2,472.14 mi (3,978.52 km) |
| Derry to Soma | 1,942.53 mi (3,126.21 km) |
| Derry to Sorgun | 2,202.51 mi (3,544.60 km) |
