| Douarnenez to Smolyan | 1,481.53 mi (2,384.30 km) |
| Douarnenez to Sofia | 1,384.38 mi (2,227.94 km) |
| Douarnenez to Sopot | 1,451.16 mi (2,335.41 km) |
| Douarnenez to Sozopol | 1,593.94 mi (2,565.20 km) |
| Douarnenez to Sredets | 1,572.86 mi (2,531.28 km) |
| Douarnenez to Stamboliyski | 1,456.67 mi (2,344.29 km) |
| Douarnenez to Stara Zagora | 1,498.98 mi (2,412.37 km) |
| Douarnenez to Svilengrad | 1,544.60 mi (2,485.79 km) |
| Douarnenez to Svishtov | 1,451.76 mi (2,336.38 km) |
| Douarnenez to Targovishte | 1,518.62 mi (2,443.98 km) |
| Douarnenez to Teteven | 1,421.18 mi (2,287.17 km) |
| Douarnenez to Troyan | 1,442.86 mi (2,322.06 km) |
| Douarnenez to Tryavna | 1,479.42 mi (2,380.90 km) |
| Douarnenez to Tutrakan | 1,498.90 mi (2,412.25 km) |
| Douarnenez to Varna | 1,581.07 mi (2,544.48 km) |
