| Costessey to Smolyan | 1,333.61 mi (2,146.23 km) |
| Costessey to Sofia | 1,229.76 mi (1,979.11 km) |
| Costessey to Sopot | 1,286.35 mi (2,070.17 km) |
| Costessey to Sozopol | 1,411.91 mi (2,272.24 km) |
| Costessey to Sredets | 1,395.13 mi (2,245.24 km) |
| Costessey to Stamboliyski | 1,301.61 mi (2,094.74 km) |
| Costessey to Stara Zagora | 1,330.89 mi (2,141.85 km) |
| Costessey to Svilengrad | 1,382.38 mi (2,224.73 km) |
| Costessey to Svishtov | 1,267.41 mi (2,039.70 km) |
| Costessey to Targovishte | 1,331.76 mi (2,143.26 km) |
| Costessey to Teteven | 1,255.74 mi (2,020.93 km) |
| Costessey to Troyan | 1,274.61 mi (2,051.29 km) |
| Costessey to Tryavna | 1,305.77 mi (2,101.43 km) |
| Costessey to Tutrakan | 1,299.71 mi (2,091.68 km) |
| Costessey to Varna | 1,386.25 mi (2,230.96 km) |
