| Uxbridge to Smolyan | 1,369.72 mi (2,204.35 km) |
| Uxbridge to Sofia | 1,266.94 mi (2,038.95 km) |
| Uxbridge to Sopot | 1,326.86 mi (2,135.38 km) |
| Uxbridge to Sozopol | 1,458.12 mi (2,346.62 km) |
| Uxbridge to Sredets | 1,440.03 mi (2,317.51 km) |
| Uxbridge to Stamboliyski | 1,339.49 mi (2,155.70 km) |
| Uxbridge to Stara Zagora | 1,372.65 mi (2,209.07 km) |
| Uxbridge to Svilengrad | 1,422.85 mi (2,289.85 km) |
| Uxbridge to Svishtov | 1,313.33 mi (2,113.60 km) |
| Uxbridge to Targovishte | 1,378.83 mi (2,219.02 km) |
| Uxbridge to Teteven | 1,296.21 mi (2,086.04 km) |
| Uxbridge to Troyan | 1,316.02 mi (2,117.92 km) |
| Uxbridge to Tryavna | 1,348.93 mi (2,170.89 km) |
| Uxbridge to Tutrakan | 1,350.08 mi (2,172.74 km) |
| Uxbridge to Varna | 1,435.92 mi (2,310.89 km) |
