| Clarkston to Sestu | 4,949.46 mi (7,965.39 km) |
| Clarkston to Settimo Torinese | 4,701.50 mi (7,566.34 km) |
| Clarkston to Seveso | 4,745.02 mi (7,636.37 km) |
| Clarkston to Sezze | 5,055.37 mi (8,135.83 km) |
| Clarkston to Siano | 5,152.77 mi (8,292.58 km) |
| Clarkston to Siena | 4,916.07 mi (7,911.66 km) |
| Clarkston to Signa | 4,890.38 mi (7,870.30 km) |
| Clarkston to Silea | 4,879.36 mi (7,852.57 km) |
| Clarkston to Silvi Paese | 5,064.63 mi (8,150.73 km) |
| Clarkston to Sinalunga | 4,937.15 mi (7,945.57 km) |
| Clarkston to Siniscola | 4,934.69 mi (7,941.62 km) |
| Clarkston to Sinnai | 4,954.55 mi (7,973.58 km) |
| Clarkston to Siracusa | 5,317.19 mi (8,557.19 km) |
| Clarkston to Solaro | 4,743.61 mi (7,634.10 km) |
| Clarkston to Soliera | 4,851.15 mi (7,807.17 km) |
