| Whitstable to Smolyan | 1,304.84 mi (2,099.94 km) |
| Whitstable to Sofia | 1,201.91 mi (1,934.29 km) |
| Whitstable to Sopot | 1,261.51 mi (2,030.21 km) |
| Whitstable to Sozopol | 1,392.38 mi (2,240.83 km) |
| Whitstable to Sredets | 1,374.37 mi (2,211.83 km) |
| Whitstable to Stamboliyski | 1,274.40 mi (2,050.95 km) |
| Whitstable to Stara Zagora | 1,307.20 mi (2,103.74 km) |
| Whitstable to Svilengrad | 1,357.52 mi (2,184.72 km) |
| Whitstable to Svishtov | 1,247.59 mi (2,007.80 km) |
| Whitstable to Targovishte | 1,313.05 mi (2,113.14 km) |
| Whitstable to Teteven | 1,230.85 mi (1,980.86 km) |
| Whitstable to Troyan | 1,250.58 mi (2,012.62 km) |
| Whitstable to Tryavna | 1,283.37 mi (2,065.38 km) |
| Whitstable to Tutrakan | 1,284.18 mi (2,066.69 km) |
| Whitstable to Varna | 1,370.04 mi (2,204.87 km) |
