| Round Lake Beach to Sestu | 4,779.44 mi (7,691.76 km) |
| Round Lake Beach to Settimo Torinese | 4,482.29 mi (7,213.55 km) |
| Round Lake Beach to Seveso | 4,515.39 mi (7,266.81 km) |
| Round Lake Beach to Sezze | 4,846.46 mi (7,799.63 km) |
| Round Lake Beach to Siano | 4,942.28 mi (7,953.84 km) |
| Round Lake Beach to Siena | 4,698.69 mi (7,561.81 km) |
| Round Lake Beach to Signa | 4,669.76 mi (7,515.25 km) |
| Round Lake Beach to Silea | 4,636.62 mi (7,461.93 km) |
| Round Lake Beach to Silvi Paese | 4,841.57 mi (7,791.76 km) |
| Round Lake Beach to Sinalunga | 4,718.90 mi (7,594.34 km) |
| Round Lake Beach to Siniscola | 4,749.97 mi (7,644.34 km) |
| Round Lake Beach to Sinnai | 4,783.96 mi (7,699.05 km) |
| Round Lake Beach to Siracusa | 5,136.05 mi (8,265.68 km) |
| Round Lake Beach to Solaro | 4,514.46 mi (7,265.32 km) |
| Round Lake Beach to Soliera | 4,622.53 mi (7,439.24 km) |
