| Mayenne to Smolyan | 1,314.75 mi (2,115.89 km) |
| Mayenne to Sofia | 1,216.53 mi (1,957.81 km) |
| Mayenne to Sopot | 1,282.55 mi (2,064.07 km) |
| Mayenne to Sozopol | 1,424.26 mi (2,292.12 km) |
| Mayenne to Sredets | 1,403.47 mi (2,258.67 km) |
| Mayenne to Stamboliyski | 1,289.03 mi (2,074.50 km) |
| Mayenne to Stara Zagora | 1,330.22 mi (2,140.78 km) |
| Mayenne to Svilengrad | 1,376.51 mi (2,215.29 km) |
| Mayenne to Svishtov | 1,281.61 mi (2,062.55 km) |
| Mayenne to Targovishte | 1,348.44 mi (2,170.10 km) |
| Mayenne to Teteven | 1,252.43 mi (2,015.59 km) |
| Mayenne to Troyan | 1,273.93 mi (2,050.18 km) |
| Mayenne to Tryavna | 1,310.13 mi (2,108.45 km) |
| Mayenne to Tutrakan | 1,327.98 mi (2,137.17 km) |
| Mayenne to Varna | 1,410.50 mi (2,269.99 km) |
