| Bermeo to Smolyan | 1,396.50 mi (2,247.45 km) |
| Bermeo to Sofia | 1,310.96 mi (2,109.79 km) |
| Bermeo to Sopot | 1,382.36 mi (2,224.70 km) |
| Bermeo to Sozopol | 1,532.53 mi (2,466.37 km) |
| Bermeo to Sredets | 1,508.71 mi (2,428.03 km) |
| Bermeo to Stamboliyski | 1,379.16 mi (2,219.54 km) |
| Bermeo to Stara Zagora | 1,430.29 mi (2,301.83 km) |
| Bermeo to Svilengrad | 1,468.36 mi (2,363.09 km) |
| Bermeo to Svishtov | 1,400.03 mi (2,253.14 km) |
| Bermeo to Targovishte | 1,465.35 mi (2,358.26 km) |
| Bermeo to Teteven | 1,354.74 mi (2,180.25 km) |
| Bermeo to Troyan | 1,377.55 mi (2,216.94 km) |
| Bermeo to Tryavna | 1,416.68 mi (2,279.93 km) |
| Bermeo to Tutrakan | 1,457.77 mi (2,346.06 km) |
| Bermeo to Varna | 1,531.70 mi (2,465.04 km) |
