| Caversham to Smolyan | 1,388.04 mi (2,233.84 km) |
| Caversham to Sofia | 1,285.43 mi (2,068.70 km) |
| Caversham to Sopot | 1,345.71 mi (2,165.71 km) |
| Caversham to Sozopol | 1,477.54 mi (2,377.87 km) |
| Caversham to Sredets | 1,459.32 mi (2,348.55 km) |
| Caversham to Stamboliyski | 1,358.03 mi (2,185.54 km) |
| Caversham to Stara Zagora | 1,391.62 mi (2,239.60 km) |
| Caversham to Svilengrad | 1,441.65 mi (2,320.12 km) |
| Caversham to Svishtov | 1,332.76 mi (2,144.87 km) |
| Caversham to Targovishte | 1,398.37 mi (2,250.45 km) |
| Caversham to Teteven | 1,315.05 mi (2,116.38 km) |
| Caversham to Troyan | 1,334.96 mi (2,148.41 km) |
| Caversham to Tryavna | 1,368.06 mi (2,201.68 km) |
| Caversham to Tutrakan | 1,369.94 mi (2,204.71 km) |
| Caversham to Varna | 1,455.69 mi (2,342.71 km) |
