| Fergus Falls to Smolyan | 5,359.64 mi (8,625.51 km) |
| Fergus Falls to Sofia | 5,255.65 mi (8,458.15 km) |
| Fergus Falls to Sopot | 5,302.73 mi (8,533.92 km) |
| Fergus Falls to Sozopol | 5,405.51 mi (8,699.32 km) |
| Fergus Falls to Sredets | 5,394.21 mi (8,681.14 km) |
| Fergus Falls to Stamboliyski | 5,324.28 mi (8,568.60 km) |
| Fergus Falls to Stara Zagora | 5,342.41 mi (8,597.78 km) |
| Fergus Falls to Svilengrad | 5,396.17 mi (8,684.30 km) |
| Fergus Falls to Svishtov | 5,268.13 mi (8,478.23 km) |
| Fergus Falls to Targovishte | 5,325.61 mi (8,570.74 km) |
| Fergus Falls to Teteven | 5,273.16 mi (8,486.34 km) |
| Fergus Falls to Troyan | 5,288.93 mi (8,511.71 km) |
| Fergus Falls to Tryavna | 5,313.92 mi (8,551.93 km) |
| Fergus Falls to Tutrakan | 5,282.29 mi (8,501.02 km) |
| Fergus Falls to Varna | 5,367.18 mi (8,637.65 km) |
