| Rehburg-Loccum to Popovo | 1,004.35 mi (1,616.35 km) |
| Rehburg-Loccum to Provadia | 1,055.68 mi (1,698.96 km) |
| Rehburg-Loccum to Radnevo | 1,046.27 mi (1,683.81 km) |
| Rehburg-Loccum to Radomir | 934.71 mi (1,504.27 km) |
| Rehburg-Loccum to Rakitovo | 1,001.41 mi (1,611.62 km) |
| Rehburg-Loccum to Rakovski | 1,014.10 mi (1,632.04 km) |
| Rehburg-Loccum to Razgrad | 1,005.70 mi (1,618.51 km) |
| Rehburg-Loccum to Razlog | 987.31 mi (1,588.91 km) |
| Rehburg-Loccum to Ruse | 971.54 mi (1,563.54 km) |
| Rehburg-Loccum to Samokov | 965.43 mi (1,553.71 km) |
| Rehburg-Loccum to Sandanski | 999.00 mi (1,607.73 km) |
| Rehburg-Loccum to Sevlievo | 981.16 mi (1,579.03 km) |
| Rehburg-Loccum to Shumen | 1,032.74 mi (1,662.04 km) |
| Rehburg-Loccum to Silistra | 1,005.73 mi (1,618.57 km) |
| Rehburg-Loccum to Sliven | 1,040.75 mi (1,674.93 km) |
