| Somerville to Sinop | 5,021.30 mi (8,081.00 km) |
| Somerville to Siran | 5,258.99 mi (8,463.53 km) |
| Somerville to Sirnak | 5,516.17 mi (8,877.42 km) |
| Somerville to Sirvan | 5,472.74 mi (8,807.53 km) |
| Somerville to Sivas | 5,199.63 mi (8,367.99 km) |
| Somerville to Sivasli | 4,964.98 mi (7,990.37 km) |
| Somerville to Siverek | 5,384.80 mi (8,666.00 km) |
| Somerville to Sivrice | 5,350.64 mi (8,611.02 km) |
| Somerville to Sivrihisar | 4,997.28 mi (8,042.35 km) |
| Somerville to Sogut | 4,916.96 mi (7,913.08 km) |
| Somerville to Sogutlu | 4,889.94 mi (7,869.60 km) |
| Somerville to Soke | 4,902.47 mi (7,889.77 km) |
| Somerville to Solhan | 5,391.20 mi (8,676.30 km) |
| Somerville to Soma | 4,847.95 mi (7,802.03 km) |
| Somerville to Sorgun | 5,125.67 mi (8,248.97 km) |
