| Sudley to Smolyan | 5,042.86 mi (8,115.71 km) |
| Sudley to Sofia | 4,940.49 mi (7,950.95 km) |
| Sudley to Sopot | 5,000.49 mi (8,047.51 km) |
| Sudley to Sozopol | 5,129.09 mi (8,254.48 km) |
| Sudley to Sredets | 5,111.98 mi (8,226.94 km) |
| Sudley to Stamboliyski | 5,013.11 mi (8,067.83 km) |
| Sudley to Stara Zagora | 5,046.04 mi (8,120.81 km) |
| Sudley to Svilengrad | 5,096.51 mi (8,202.04 km) |
| Sudley to Svishtov | 4,984.48 mi (8,021.75 km) |
| Sudley to Targovishte | 5,049.03 mi (8,125.62 km) |
| Sudley to Teteven | 4,969.83 mi (7,998.17 km) |
| Sudley to Troyan | 4,989.46 mi (8,029.76 km) |
| Sudley to Tryavna | 5,021.79 mi (8,081.79 km) |
| Sudley to Tutrakan | 5,016.55 mi (8,073.35 km) |
| Sudley to Varna | 5,103.23 mi (8,212.85 km) |
