| Delray Beach to Smolyan | 5,723.36 mi (9,210.86 km) |
| Delray Beach to Sofia | 5,624.71 mi (9,052.09 km) |
| Delray Beach to Sopot | 5,689.63 mi (9,156.57 km) |
| Delray Beach to Sozopol | 5,827.63 mi (9,378.67 km) |
| Delray Beach to Sredets | 5,808.10 mi (9,347.24 km) |
| Delray Beach to Stamboliyski | 5,697.35 mi (9,168.99 km) |
| Delray Beach to Stara Zagora | 5,736.88 mi (9,232.62 km) |
| Delray Beach to Svilengrad | 5,784.31 mi (9,308.95 km) |
| Delray Beach to Svishtov | 5,683.32 mi (9,146.42 km) |
| Delray Beach to Targovishte | 5,749.60 mi (9,253.09 km) |
| Delray Beach to Teteven | 5,659.26 mi (9,107.70 km) |
| Delray Beach to Troyan | 5,680.30 mi (9,141.56 km) |
| Delray Beach to Tryavna | 5,715.42 mi (9,198.08 km) |
| Delray Beach to Tutrakan | 5,723.21 mi (9,210.62 km) |
| Delray Beach to Varna | 5,808.49 mi (9,347.87 km) |
