| Fergus Falls to Popovo | 5,309.54 mi (8,544.89 km) |
| Fergus Falls to Provadia | 5,354.72 mi (8,617.60 km) |
| Fergus Falls to Radnevo | 5,358.46 mi (8,623.62 km) |
| Fergus Falls to Radomir | 5,251.76 mi (8,451.89 km) |
| Fergus Falls to Rakitovo | 5,318.35 mi (8,559.06 km) |
| Fergus Falls to Rakovski | 5,329.24 mi (8,576.59 km) |
| Fergus Falls to Razgrad | 5,307.92 mi (8,542.27 km) |
| Fergus Falls to Razlog | 5,304.29 mi (8,536.43 km) |
| Fergus Falls to Ruse | 5,275.02 mi (8,489.32 km) |
| Fergus Falls to Samokov | 5,282.44 mi (8,501.27 km) |
| Fergus Falls to Sandanski | 5,315.54 mi (8,554.53 km) |
| Fergus Falls to Sevlievo | 5,293.35 mi (8,518.82 km) |
| Fergus Falls to Shumen | 5,334.25 mi (8,584.65 km) |
| Fergus Falls to Silistra | 5,297.60 mi (8,525.66 km) |
| Fergus Falls to Sliven | 5,349.46 mi (8,609.13 km) |
