| Friesoythe to Popovo | 1,073.05 mi (1,726.91 km) |
| Friesoythe to Provadia | 1,124.22 mi (1,809.25 km) |
| Friesoythe to Radnevo | 1,115.09 mi (1,794.56 km) |
| Friesoythe to Radomir | 1,003.16 mi (1,614.42 km) |
| Friesoythe to Rakitovo | 1,069.99 mi (1,721.99 km) |
| Friesoythe to Rakovski | 1,082.87 mi (1,742.72 km) |
| Friesoythe to Razgrad | 1,074.31 mi (1,728.93 km) |
| Friesoythe to Razlog | 1,055.70 mi (1,698.98 km) |
| Friesoythe to Ruse | 1,040.17 mi (1,674.00 km) |
| Friesoythe to Samokov | 1,033.98 mi (1,664.03 km) |
| Friesoythe to Sandanski | 1,067.22 mi (1,717.53 km) |
| Friesoythe to Sevlievo | 1,049.98 mi (1,689.78 km) |
| Friesoythe to Shumen | 1,101.34 mi (1,772.44 km) |
| Friesoythe to Silistra | 1,073.96 mi (1,728.38 km) |
| Friesoythe to Sliven | 1,109.54 mi (1,785.63 km) |
