| Ashtown to Smolyan | 1,643.74 mi (2,645.35 km) |
| Ashtown to Sofia | 1,540.48 mi (2,479.16 km) |
| Ashtown to Sopot | 1,598.97 mi (2,573.30 km) |
| Ashtown to Sozopol | 1,727.14 mi (2,779.56 km) |
| Ashtown to Sredets | 1,709.85 mi (2,751.73 km) |
| Ashtown to Stamboliyski | 1,612.80 mi (2,595.54 km) |
| Ashtown to Stara Zagora | 1,644.17 mi (2,646.04 km) |
| Ashtown to Svilengrad | 1,695.05 mi (2,727.92 km) |
| Ashtown to Svishtov | 1,582.45 mi (2,546.70 km) |
| Ashtown to Targovishte | 1,647.25 mi (2,651.00 km) |
| Ashtown to Teteven | 1,568.32 mi (2,523.97 km) |
| Ashtown to Troyan | 1,587.68 mi (2,555.12 km) |
| Ashtown to Tryavna | 1,619.69 mi (2,606.64 km) |
| Ashtown to Tutrakan | 1,616.17 mi (2,600.97 km) |
| Ashtown to Varna | 1,702.57 mi (2,740.02 km) |
