| Bicester to Smolyan | 1,405.31 mi (2,261.63 km) |
| Bicester to Sofia | 1,302.35 mi (2,095.94 km) |
| Bicester to Sopot | 1,361.82 mi (2,191.64 km) |
| Bicester to Sozopol | 1,492.21 mi (2,401.48 km) |
| Bicester to Sredets | 1,474.33 mi (2,372.71 km) |
| Bicester to Stamboliyski | 1,374.83 mi (2,212.58 km) |
| Bicester to Stara Zagora | 1,407.44 mi (2,265.05 km) |
| Bicester to Svilengrad | 1,457.85 mi (2,346.18 km) |
| Bicester to Svishtov | 1,347.42 mi (2,168.46 km) |
| Bicester to Targovishte | 1,412.74 mi (2,273.59 km) |
| Bicester to Teteven | 1,331.16 mi (2,142.29 km) |
| Bicester to Troyan | 1,350.83 mi (2,173.96 km) |
| Bicester to Tryavna | 1,383.49 mi (2,226.51 km) |
| Bicester to Tutrakan | 1,383.37 mi (2,226.32 km) |
| Bicester to Varna | 1,469.37 mi (2,364.73 km) |
