| Horn Lake to Sestu | 5,168.66 mi (8,318.16 km) |
| Horn Lake to Settimo Torinese | 4,898.01 mi (7,882.59 km) |
| Horn Lake to Seveso | 4,936.78 mi (7,944.98 km) |
| Horn Lake to Sezze | 5,257.75 mi (8,461.53 km) |
| Horn Lake to Siano | 5,354.72 mi (8,617.59 km) |
| Horn Lake to Siena | 5,114.12 mi (8,230.38 km) |
| Horn Lake to Signa | 5,086.84 mi (8,186.47 km) |
| Horn Lake to Silea | 5,065.27 mi (8,151.77 km) |
| Horn Lake to Silvi Paese | 5,260.49 mi (8,465.94 km) |
| Horn Lake to Sinalunga | 5,134.86 mi (8,263.76 km) |
| Horn Lake to Siniscola | 5,147.50 mi (8,284.10 km) |
| Horn Lake to Sinnai | 5,173.53 mi (8,325.99 km) |
| Horn Lake to Siracusa | 5,532.75 mi (8,904.10 km) |
| Horn Lake to Solaro | 4,935.60 mi (7,943.08 km) |
| Horn Lake to Soliera | 5,043.73 mi (8,117.10 km) |
