| Boynton Beach to Sinop | 6,156.27 mi (9,907.57 km) |
| Boynton Beach to Siran | 6,397.81 mi (10,296.28 km) |
| Boynton Beach to Sirnak | 6,653.50 mi (10,707.77 km) |
| Boynton Beach to Sirvan | 6,611.20 mi (10,639.69 km) |
| Boynton Beach to Sivas | 6,328.25 mi (10,184.34 km) |
| Boynton Beach to Sivasli | 6,055.64 mi (9,745.61 km) |
| Boynton Beach to Siverek | 6,510.91 mi (10,478.30 km) |
| Boynton Beach to Sivrice | 6,480.66 mi (10,429.62 km) |
| Boynton Beach to Sivrihisar | 6,102.58 mi (9,821.15 km) |
| Boynton Beach to Sogut | 6,020.76 mi (9,689.48 km) |
| Boynton Beach to Sogutlu | 6,001.02 mi (9,657.71 km) |
| Boynton Beach to Soke | 5,977.50 mi (9,619.85 km) |
| Boynton Beach to Solhan | 6,530.66 mi (10,510.08 km) |
| Boynton Beach to Soma | 5,935.13 mi (9,551.66 km) |
| Boynton Beach to Sorgun | 6,247.73 mi (10,054.75 km) |
