| Diepholz to Popovo | 1,040.00 mi (1,673.72 km) |
| Diepholz to Provadia | 1,091.61 mi (1,756.77 km) |
| Diepholz to Radnevo | 1,081.32 mi (1,740.21 km) |
| Diepholz to Radomir | 968.39 mi (1,558.48 km) |
| Diepholz to Rakitovo | 1,035.40 mi (1,666.32 km) |
| Diepholz to Rakovski | 1,048.72 mi (1,687.75 km) |
| Diepholz to Razgrad | 1,041.51 mi (1,676.15 km) |
| Diepholz to Razlog | 1,020.87 mi (1,642.93 km) |
| Diepholz to Ruse | 1,007.31 mi (1,621.11 km) |
| Diepholz to Samokov | 999.34 mi (1,608.28 km) |
| Diepholz to Sandanski | 1,032.24 mi (1,661.23 km) |
| Diepholz to Sevlievo | 1,016.25 mi (1,635.49 km) |
| Diepholz to Shumen | 1,068.57 mi (1,719.70 km) |
| Diepholz to Silistra | 1,041.95 mi (1,676.85 km) |
| Diepholz to Sliven | 1,076.14 mi (1,731.87 km) |
