| Jacksonville Beach to Smolyan | 5,600.47 mi (9,013.08 km) |
| Jacksonville Beach to Sofia | 5,499.88 mi (8,851.19 km) |
| Jacksonville Beach to Sopot | 5,562.68 mi (8,952.27 km) |
| Jacksonville Beach to Sozopol | 5,696.61 mi (9,167.80 km) |
| Jacksonville Beach to Sredets | 5,678.17 mi (9,138.13 km) |
| Jacksonville Beach to Stamboliyski | 5,572.68 mi (8,968.36 km) |
| Jacksonville Beach to Stara Zagora | 5,609.25 mi (9,027.22 km) |
| Jacksonville Beach to Svilengrad | 5,658.20 mi (9,105.99 km) |
| Jacksonville Beach to Svishtov | 5,551.84 mi (8,934.82 km) |
| Jacksonville Beach to Targovishte | 5,617.45 mi (9,040.41 km) |
| Jacksonville Beach to Teteven | 5,532.11 mi (8,903.07 km) |
| Jacksonville Beach to Troyan | 5,552.55 mi (8,935.96 km) |
| Jacksonville Beach to Tryavna | 5,586.45 mi (8,990.52 km) |
| Jacksonville Beach to Tutrakan | 5,588.11 mi (8,993.20 km) |
| Jacksonville Beach to Varna | 5,674.24 mi (9,131.81 km) |
