| Cheltenham to Smolyan | 1,442.12 mi (2,320.87 km) |
| Cheltenham to Sofia | 1,339.33 mi (2,155.45 km) |
| Cheltenham to Sopot | 1,399.17 mi (2,251.75 km) |
| Cheltenham to Sozopol | 1,530.12 mi (2,462.49 km) |
| Cheltenham to Sredets | 1,512.12 mi (2,433.53 km) |
| Cheltenham to Stamboliyski | 1,411.87 mi (2,272.19 km) |
| Cheltenham to Stara Zagora | 1,444.91 mi (2,325.36 km) |
| Cheltenham to Svilengrad | 1,495.16 mi (2,406.24 km) |
| Cheltenham to Svishtov | 1,385.33 mi (2,229.47 km) |
| Cheltenham to Targovishte | 1,450.75 mi (2,334.76 km) |
| Cheltenham to Teteven | 1,368.51 mi (2,202.41 km) |
| Cheltenham to Troyan | 1,388.28 mi (2,234.23 km) |
| Cheltenham to Tryavna | 1,421.12 mi (2,287.07 km) |
| Cheltenham to Tutrakan | 1,421.66 mi (2,287.94 km) |
| Cheltenham to Varna | 1,507.60 mi (2,426.24 km) |
