| Boynton Beach to Southern Pines (North Carolina) | 600.01 mi (965.62 km) |
| Boynton Beach to Southfield (Michigan) | 1,116.47 mi (1,796.78 km) |
| Boynton Beach to Southgate (Michigan) | 1,097.49 mi (1,766.24 km) |
| Boynton Beach to Southlake (Texas) | 1,114.30 mi (1,793.29 km) |
| Boynton Beach to Spanaway (Washington) | 2,693.30 mi (4,334.45 km) |
| Boynton Beach to Spanish Fork (Utah) | 2,034.45 mi (3,274.14 km) |
| Boynton Beach to Spanish Lake (Missouri) | 1,030.22 mi (1,657.98 km) |
| Boynton Beach to Spanish Springs (Nevada) | 2,440.79 mi (3,928.07 km) |
| Boynton Beach to Sparks (Nevada) | 2,442.29 mi (3,930.48 km) |
| Boynton Beach to Spartanburg (South Carolina) | 591.68 mi (952.22 km) |
| Boynton Beach to Spearfish (South Dakota) | 1,810.10 mi (2,913.08 km) |
| Boynton Beach to Speedway (Indiana) | 982.85 mi (1,581.74 km) |
| Boynton Beach to Spencer (Iowa) | 1,426.55 mi (2,295.81 km) |
| Boynton Beach to Spokane (Washington) | 2,486.51 mi (4,001.65 km) |
| Boynton Beach to Spokane Valley (Washington) | 2,477.87 mi (3,987.74 km) |
