| Argentan to Smolyan | 1,294.65 mi (2,083.54 km) |
| Argentan to Sofia | 1,195.46 mi (1,923.91 km) |
| Argentan to Sopot | 1,260.62 mi (2,028.78 km) |
| Argentan to Sozopol | 1,400.93 mi (2,254.58 km) |
| Argentan to Sredets | 1,380.53 mi (2,221.75 km) |
| Argentan to Stamboliyski | 1,268.13 mi (2,040.85 km) |
| Argentan to Stara Zagora | 1,308.08 mi (2,105.15 km) |
| Argentan to Svilengrad | 1,355.09 mi (2,180.81 km) |
| Argentan to Svishtov | 1,257.70 mi (2,024.07 km) |
| Argentan to Targovishte | 1,324.45 mi (2,131.50 km) |
| Argentan to Teteven | 1,230.35 mi (1,980.06 km) |
| Argentan to Troyan | 1,251.62 mi (2,014.29 km) |
| Argentan to Tryavna | 1,287.38 mi (2,071.83 km) |
| Argentan to Tutrakan | 1,302.71 mi (2,096.51 km) |
| Argentan to Varna | 1,385.87 mi (2,230.34 km) |
