| Radcliff to Smolyan | 5,426.38 mi (8,732.92 km) |
| Radcliff to Sofia | 5,322.89 mi (8,566.37 km) |
| Radcliff to Sopot | 5,380.00 mi (8,658.27 km) |
| Radcliff to Sozopol | 5,502.76 mi (8,855.83 km) |
| Radcliff to Sredets | 5,487.05 mi (8,830.56 km) |
| Radcliff to Stamboliyski | 5,395.00 mi (8,682.41 km) |
| Radcliff to Stara Zagora | 5,424.34 mi (8,729.63 km) |
| Radcliff to Svilengrad | 5,476.02 mi (8,812.80 km) |
| Radcliff to Svishtov | 5,359.02 mi (8,624.51 km) |
| Radcliff to Targovishte | 5,422.16 mi (8,726.13 km) |
| Radcliff to Teteven | 5,349.40 mi (8,609.03 km) |
| Radcliff to Troyan | 5,368.17 mi (8,639.24 km) |
| Radcliff to Tryavna | 5,398.82 mi (8,688.56 km) |
| Radcliff to Tutrakan | 5,386.56 mi (8,668.82 km) |
| Radcliff to Varna | 5,473.39 mi (8,808.57 km) |
