| Mariehamn to Smolyan | 1,295.36 mi (2,084.68 km) |
| Mariehamn to Sofia | 1,210.71 mi (1,948.46 km) |
| Mariehamn to Sopot | 1,222.66 mi (1,967.67 km) |
| Mariehamn to Sozopol | 1,265.05 mi (2,035.91 km) |
| Mariehamn to Sredets | 1,264.26 mi (2,034.64 km) |
| Mariehamn to Stamboliyski | 1,256.57 mi (2,022.26 km) |
| Mariehamn to Stara Zagora | 1,244.30 mi (2,002.50 km) |
| Mariehamn to Svilengrad | 1,294.38 mi (2,083.10 km) |
| Mariehamn to Svishtov | 1,161.16 mi (1,868.70 km) |
| Mariehamn to Targovishte | 1,197.13 mi (1,926.60 km) |
| Mariehamn to Teteven | 1,201.16 mi (1,933.07 km) |
| Mariehamn to Troyan | 1,206.46 mi (1,941.61 km) |
| Mariehamn to Tryavna | 1,213.50 mi (1,952.95 km) |
| Mariehamn to Tutrakan | 1,143.29 mi (1,839.95 km) |
| Mariehamn to Varna | 1,213.59 mi (1,953.09 km) |
