| Norristown to Sestu | 4,301.22 mi (6,922.14 km) |
| Norristown to Settimo Torinese | 4,046.68 mi (6,512.50 km) |
| Norristown to Seveso | 4,089.53 mi (6,581.46 km) |
| Norristown to Sezze | 4,401.85 mi (7,084.09 km) |
| Norristown to Siano | 4,499.20 mi (7,240.76 km) |
| Norristown to Siena | 4,261.60 mi (6,858.39 km) |
| Norristown to Signa | 4,235.62 mi (6,816.57 km) |
| Norristown to Silea | 4,223.35 mi (6,796.83 km) |
| Norristown to Silvi Paese | 4,409.84 mi (7,096.94 km) |
| Norristown to Sinalunga | 4,282.62 mi (6,892.22 km) |
| Norristown to Siniscola | 4,284.05 mi (6,894.52 km) |
| Norristown to Sinnai | 4,306.22 mi (6,930.19 km) |
| Norristown to Siracusa | 4,667.73 mi (7,511.99 km) |
| Norristown to Solaro | 4,088.15 mi (6,579.24 km) |
| Norristown to Soliera | 4,195.80 mi (6,752.48 km) |
