| Morpeth to Smolyan | 1,516.70 mi (2,440.90 km) |
| Morpeth to Sofia | 1,412.42 mi (2,273.07 km) |
| Morpeth to Sopot | 1,465.21 mi (2,358.02 km) |
| Morpeth to Sozopol | 1,583.45 mi (2,548.32 km) |
| Morpeth to Sredets | 1,568.35 mi (2,524.02 km) |
| Morpeth to Stamboliyski | 1,483.13 mi (2,386.86 km) |
| Morpeth to Stara Zagora | 1,508.11 mi (2,427.06 km) |
| Morpeth to Svilengrad | 1,560.72 mi (2,511.74 km) |
| Morpeth to Svishtov | 1,440.29 mi (2,317.92 km) |
| Morpeth to Targovishte | 1,502.77 mi (2,418.48 km) |
| Morpeth to Teteven | 1,434.87 mi (2,309.19 km) |
| Morpeth to Troyan | 1,452.59 mi (2,337.72 km) |
| Morpeth to Tryavna | 1,481.59 mi (2,384.39 km) |
| Morpeth to Tutrakan | 1,466.78 mi (2,360.55 km) |
| Morpeth to Varna | 1,553.61 mi (2,500.29 km) |
