| Ashington to Smolyan | 1,512.83 mi (2,434.66 km) |
| Ashington to Sofia | 1,408.54 mi (2,266.82 km) |
| Ashington to Sopot | 1,461.22 mi (2,351.61 km) |
| Ashington to Sozopol | 1,579.29 mi (2,541.62 km) |
| Ashington to Sredets | 1,564.23 mi (2,517.38 km) |
| Ashington to Stamboliyski | 1,479.21 mi (2,380.55 km) |
| Ashington to Stara Zagora | 1,504.08 mi (2,420.58 km) |
| Ashington to Svilengrad | 1,556.72 mi (2,505.30 km) |
| Ashington to Svishtov | 1,436.17 mi (2,311.28 km) |
| Ashington to Targovishte | 1,498.61 mi (2,411.78 km) |
| Ashington to Teteven | 1,430.89 mi (2,302.79 km) |
| Ashington to Troyan | 1,448.59 mi (2,331.27 km) |
| Ashington to Tryavna | 1,477.53 mi (2,377.86 km) |
| Ashington to Tutrakan | 1,462.53 mi (2,353.72 km) |
| Ashington to Varna | 1,549.37 mi (2,493.47 km) |
