| Barton upon Irwell to Smolyan | 1,492.14 mi (2,401.36 km) |
| Barton upon Irwell to Sofia | 1,388.36 mi (2,234.34 km) |
| Barton upon Irwell to Sopot | 1,445.11 mi (2,325.68 km) |
| Barton upon Irwell to Sozopol | 1,570.52 mi (2,527.51 km) |
| Barton upon Irwell to Sredets | 1,553.83 mi (2,500.64 km) |
| Barton upon Irwell to Stamboliyski | 1,460.27 mi (2,350.07 km) |
| Barton upon Irwell to Stara Zagora | 1,489.67 mi (2,397.39 km) |
| Barton upon Irwell to Svilengrad | 1,541.15 mi (2,480.25 km) |
| Barton upon Irwell to Svishtov | 1,426.07 mi (2,295.04 km) |
| Barton upon Irwell to Targovishte | 1,490.32 mi (2,398.44 km) |
| Barton upon Irwell to Teteven | 1,414.51 mi (2,276.43 km) |
| Barton upon Irwell to Troyan | 1,433.39 mi (2,306.82 km) |
| Barton upon Irwell to Tryavna | 1,464.54 mi (2,356.95 km) |
| Barton upon Irwell to Tutrakan | 1,457.91 mi (2,346.29 km) |
| Barton upon Irwell to Varna | 1,544.52 mi (2,485.67 km) |
