| Royal Palm Beach to Smolyan | 5,717.61 mi (9,201.60 km) |
| Royal Palm Beach to Sofia | 5,618.80 mi (9,042.58 km) |
| Royal Palm Beach to Sopot | 5,683.57 mi (9,146.82 km) |
| Royal Palm Beach to Sozopol | 5,821.29 mi (9,368.46 km) |
| Royal Palm Beach to Sredets | 5,801.84 mi (9,337.16 km) |
| Royal Palm Beach to Stamboliyski | 5,691.46 mi (9,159.51 km) |
| Royal Palm Beach to Stara Zagora | 5,730.78 mi (9,222.80 km) |
| Royal Palm Beach to Svilengrad | 5,778.33 mi (9,299.32 km) |
| Royal Palm Beach to Svishtov | 5,676.93 mi (9,136.13 km) |
| Royal Palm Beach to Targovishte | 5,743.17 mi (9,242.73 km) |
| Royal Palm Beach to Teteven | 5,653.18 mi (9,097.92 km) |
| Royal Palm Beach to Troyan | 5,674.18 mi (9,131.71 km) |
| Royal Palm Beach to Tryavna | 5,709.22 mi (9,188.10 km) |
| Royal Palm Beach to Tutrakan | 5,716.55 mi (9,199.90 km) |
| Royal Palm Beach to Varna | 5,801.91 mi (9,337.27 km) |
