| Folkestone to Smolyan | 1,292.08 mi (2,079.41 km) |
| Folkestone to Sofia | 1,189.38 mi (1,914.12 km) |
| Folkestone to Sopot | 1,249.52 mi (2,010.91 km) |
| Folkestone to Sozopol | 1,381.36 mi (2,223.08 km) |
| Folkestone to Sredets | 1,363.11 mi (2,193.71 km) |
| Folkestone to Stamboliyski | 1,261.96 mi (2,030.92 km) |
| Folkestone to Stara Zagora | 1,295.41 mi (2,084.76 km) |
| Folkestone to Svilengrad | 1,345.48 mi (2,165.34 km) |
| Folkestone to Svishtov | 1,236.58 mi (1,990.09 km) |
| Folkestone to Targovishte | 1,302.22 mi (2,095.72 km) |
| Folkestone to Teteven | 1,218.87 mi (1,961.58 km) |
| Folkestone to Troyan | 1,238.76 mi (1,993.58 km) |
| Folkestone to Tryavna | 1,271.84 mi (2,046.82 km) |
| Folkestone to Tutrakan | 1,274.00 mi (2,050.30 km) |
| Folkestone to Varna | 1,359.67 mi (2,188.18 km) |
