| Guerande to Smolyan | 1,387.57 mi (2,233.07 km) |
| Guerande to Sofia | 1,291.68 mi (2,078.75 km) |
| Guerande to Sopot | 1,359.35 mi (2,187.66 km) |
| Guerande to Sozopol | 1,503.70 mi (2,419.97 km) |
| Guerande to Sredets | 1,482.14 mi (2,385.28 km) |
| Guerande to Stamboliyski | 1,363.65 mi (2,194.58 km) |
| Guerande to Stara Zagora | 1,407.35 mi (2,264.91 km) |
| Guerande to Svilengrad | 1,452.02 mi (2,336.80 km) |
| Guerande to Svishtov | 1,362.57 mi (2,192.84 km) |
| Guerande to Targovishte | 1,429.41 mi (2,300.42 km) |
| Guerande to Teteven | 1,329.62 mi (2,139.81 km) |
| Guerande to Troyan | 1,351.54 mi (2,175.09 km) |
| Guerande to Tryavna | 1,388.61 mi (2,234.76 km) |
| Guerande to Tutrakan | 1,411.63 mi (2,271.80 km) |
| Guerande to Varna | 1,492.70 mi (2,402.27 km) |
