| Norristown to Sinop | 5,289.13 mi (8,512.04 km) |
| Norristown to Siran | 5,526.34 mi (8,893.78 km) |
| Norristown to Sirnak | 5,783.52 mi (9,307.67 km) |
| Norristown to Sirvan | 5,740.00 mi (9,237.64 km) |
| Norristown to Sivas | 5,467.89 mi (8,799.72 km) |
| Norristown to Sivasli | 5,235.01 mi (8,424.94 km) |
| Norristown to Siverek | 5,653.16 mi (9,097.89 km) |
| Norristown to Sivrice | 5,618.72 mi (9,042.45 km) |
| Norristown to Sivrihisar | 5,266.91 mi (8,476.27 km) |
| Norristown to Sogut | 5,186.66 mi (8,347.12 km) |
| Norristown to Sogutlu | 5,159.37 mi (8,303.21 km) |
| Norristown to Soke | 5,172.65 mi (8,324.58 km) |
| Norristown to Solhan | 5,658.41 mi (9,106.33 km) |
| Norristown to Soma | 5,118.05 mi (8,236.71 km) |
| Norristown to Sorgun | 5,394.42 mi (8,681.49 km) |
