| Bostonia to Sestu | 6,374.18 mi (10,258.25 km) |
| Bostonia to Settimo Torinese | 6,034.23 mi (9,711.16 km) |
| Bostonia to Seveso | 6,054.18 mi (9,743.27 km) |
| Bostonia to Sezze | 6,398.87 mi (10,297.99 km) |
| Bostonia to Siano | 6,489.96 mi (10,444.57 km) |
| Bostonia to Siena | 6,245.90 mi (10,051.81 km) |
| Bostonia to Signa | 6,214.13 mi (10,000.68 km) |
| Bostonia to Silea | 6,155.15 mi (9,905.75 km) |
| Bostonia to Silvi Paese | 6,377.53 mi (10,263.64 km) |
| Bostonia to Sinalunga | 6,264.49 mi (10,081.72 km) |
| Bostonia to Siniscola | 6,331.07 mi (10,188.87 km) |
| Bostonia to Sinnai | 6,378.06 mi (10,264.50 km) |
| Bostonia to Siracusa | 6,710.68 mi (10,799.80 km) |
| Bostonia to Solaro | 6,053.86 mi (9,742.75 km) |
| Bostonia to Soliera | 6,158.97 mi (9,911.90 km) |
