| Arcachon to Smolyan | 1,316.09 mi (2,118.04 km) |
| Arcachon to Sofia | 1,226.97 mi (1,974.62 km) |
| Arcachon to Sopot | 1,297.57 mi (2,088.24 km) |
| Arcachon to Sozopol | 1,446.59 mi (2,328.07 km) |
| Arcachon to Sredets | 1,423.35 mi (2,290.67 km) |
| Arcachon to Stamboliyski | 1,296.63 mi (2,086.72 km) |
| Arcachon to Stara Zagora | 1,345.72 mi (2,165.72 km) |
| Arcachon to Svilengrad | 1,385.93 mi (2,230.44 km) |
| Arcachon to Svishtov | 1,311.13 mi (2,110.06 km) |
| Arcachon to Targovishte | 1,377.13 mi (2,216.28 km) |
| Arcachon to Teteven | 1,269.21 mi (2,042.59 km) |
| Arcachon to Troyan | 1,291.85 mi (2,079.03 km) |
| Arcachon to Tryavna | 1,330.54 mi (2,141.29 km) |
| Arcachon to Tutrakan | 1,366.69 mi (2,199.48 km) |
| Arcachon to Varna | 1,442.85 mi (2,322.04 km) |
