| Round Lake Beach to Sinop | 5,620.23 mi (9,044.88 km) |
| Round Lake Beach to Siran | 5,846.82 mi (9,409.54 km) |
| Round Lake Beach to Sirnak | 6,100.83 mi (9,818.35 km) |
| Round Lake Beach to Sirvan | 6,056.55 mi (9,747.07 km) |
| Round Lake Beach to Sivas | 5,804.15 mi (9,340.88 km) |
| Round Lake Beach to Sivasli | 5,622.04 mi (9,047.81 km) |
| Round Lake Beach to Siverek | 5,989.00 mi (9,638.36 km) |
| Round Lake Beach to Sivrice | 5,949.91 mi (9,575.45 km) |
| Round Lake Beach to Sivrihisar | 5,636.86 mi (9,071.65 km) |
| Round Lake Beach to Sogut | 5,559.99 mi (8,947.94 km) |
| Round Lake Beach to Sogutlu | 5,524.67 mi (8,891.09 km) |
| Round Lake Beach to Soke | 5,577.09 mi (8,975.46 km) |
| Round Lake Beach to Solhan | 5,975.18 mi (9,616.12 km) |
| Round Lake Beach to Soma | 5,511.16 mi (8,869.36 km) |
| Round Lake Beach to Sorgun | 5,741.01 mi (9,239.26 km) |
