| Rock Island to Sestu | 4,920.58 mi (7,918.92 km) |
| Rock Island to Settimo Torinese | 4,621.23 mi (7,437.16 km) |
| Rock Island to Seveso | 4,653.66 mi (7,489.34 km) |
| Rock Island to Sezze | 4,985.72 mi (8,023.73 km) |
| Rock Island to Siano | 5,081.37 mi (8,177.68 km) |
| Rock Island to Siena | 4,837.56 mi (7,785.30 km) |
| Rock Island to Signa | 4,808.46 mi (7,738.47 km) |
| Rock Island to Silea | 4,773.91 mi (7,682.86 km) |
| Rock Island to Silvi Paese | 4,979.99 mi (8,014.52 km) |
| Rock Island to Sinalunga | 4,857.71 mi (7,817.73 km) |
| Rock Island to Siniscola | 4,890.51 mi (7,870.52 km) |
| Rock Island to Sinnai | 4,925.09 mi (7,926.16 km) |
| Rock Island to Siracusa | 5,276.53 mi (8,491.75 km) |
| Rock Island to Solaro | 4,652.77 mi (7,487.90 km) |
| Rock Island to Soliera | 4,760.77 mi (7,661.72 km) |
