| Stafford to Smolyan | 1,465.63 mi (2,358.71 km) |
| Stafford to Sofia | 1,362.19 mi (2,192.23 km) |
| Stafford to Sopot | 1,420.21 mi (2,285.61 km) |
| Stafford to Sozopol | 1,547.93 mi (2,491.16 km) |
| Stafford to Sredets | 1,530.70 mi (2,463.42 km) |
| Stafford to Stamboliyski | 1,434.39 mi (2,308.43 km) |
| Stafford to Stara Zagora | 1,465.27 mi (2,358.13 km) |
| Stafford to Svilengrad | 1,516.29 mi (2,440.23 km) |
| Stafford to Svishtov | 1,403.26 mi (2,258.32 km) |
| Stafford to Targovishte | 1,468.02 mi (2,362.55 km) |
| Stafford to Teteven | 1,389.57 mi (2,236.29 km) |
| Stafford to Troyan | 1,408.82 mi (2,267.28 km) |
| Stafford to Tryavna | 1,440.67 mi (2,318.53 km) |
| Stafford to Tutrakan | 1,436.95 mi (2,312.54 km) |
| Stafford to Varna | 1,523.33 mi (2,451.57 km) |
