| Richardson to Sestu | 5,550.49 mi (8,932.65 km) |
| Richardson to Settimo Torinese | 5,268.01 mi (8,478.04 km) |
| Richardson to Seveso | 5,303.88 mi (8,535.77 km) |
| Richardson to Sezze | 5,630.25 mi (9,061.02 km) |
| Richardson to Siano | 5,726.76 mi (9,216.33 km) |
| Richardson to Siena | 5,484.46 mi (8,826.38 km) |
| Richardson to Signa | 5,456.32 mi (8,781.10 km) |
| Richardson to Silea | 5,428.45 mi (8,736.24 km) |
| Richardson to Silvi Paese | 5,629.18 mi (9,059.29 km) |
| Richardson to Sinalunga | 5,504.95 mi (8,859.37 km) |
| Richardson to Siniscola | 5,526.03 mi (8,893.28 km) |
| Richardson to Sinnai | 5,555.24 mi (8,940.29 km) |
| Richardson to Siracusa | 5,912.00 mi (9,514.44 km) |
| Richardson to Solaro | 5,302.83 mi (8,534.08 km) |
| Richardson to Soliera | 5,411.02 mi (8,708.20 km) |
