| Missoula to Sestu | 5,528.91 mi (8,897.91 km) |
| Missoula to Settimo Torinese | 5,163.81 mi (8,310.34 km) |
| Missoula to Seveso | 5,175.29 mi (8,328.83 km) |
| Missoula to Sezze | 5,522.52 mi (8,887.64 km) |
| Missoula to Siano | 5,609.17 mi (9,027.09 km) |
| Missoula to Siena | 5,368.86 mi (8,640.35 km) |
| Missoula to Signa | 5,335.88 mi (8,587.27 km) |
| Missoula to Silea | 5,263.17 mi (8,470.25 km) |
| Missoula to Silvi Paese | 5,491.61 mi (8,837.89 km) |
| Missoula to Sinalunga | 5,386.14 mi (8,668.15 km) |
| Missoula to Siniscola | 5,475.73 mi (8,812.33 km) |
| Missoula to Sinnai | 5,532.18 mi (8,903.19 km) |
| Missoula to Siracusa | 5,844.10 mi (9,405.17 km) |
| Missoula to Solaro | 5,175.34 mi (8,328.90 km) |
| Missoula to Soliera | 5,276.91 mi (8,492.36 km) |
