| Boynton Beach to Sestu | 5,041.70 mi (8,113.83 km) |
| Boynton Beach to Settimo Torinese | 4,843.95 mi (7,795.59 km) |
| Boynton Beach to Seveso | 4,895.95 mi (7,879.27 km) |
| Boynton Beach to Sezze | 5,180.63 mi (8,337.41 km) |
| Boynton Beach to Siano | 5,277.38 mi (8,493.13 km) |
| Boynton Beach to Siena | 5,052.10 mi (8,130.57 km) |
| Boynton Beach to Signa | 5,029.91 mi (8,094.86 km) |
| Boynton Beach to Silea | 5,039.30 mi (8,109.97 km) |
| Boynton Beach to Silvi Paese | 5,202.62 mi (8,372.82 km) |
| Boynton Beach to Sinalunga | 5,073.49 mi (8,165.00 km) |
| Boynton Beach to Siniscola | 5,040.60 mi (8,112.06 km) |
| Boynton Beach to Sinnai | 5,047.19 mi (8,122.66 km) |
| Boynton Beach to Siracusa | 5,411.45 mi (8,708.90 km) |
| Boynton Beach to Solaro | 4,894.13 mi (7,876.34 km) |
| Boynton Beach to Soliera | 4,998.83 mi (8,044.84 km) |
