| Bochum to Popovo | 1,047.02 mi (1,685.02 km) |
| Bochum to Provadia | 1,101.33 mi (1,772.41 km) |
| Bochum to Radnevo | 1,082.80 mi (1,742.60 km) |
| Bochum to Radomir | 960.95 mi (1,546.50 km) |
| Bochum to Rakitovo | 1,029.52 mi (1,656.86 km) |
| Bochum to Rakovski | 1,047.08 mi (1,685.11 km) |
| Bochum to Razgrad | 1,050.21 mi (1,690.15 km) |
| Bochum to Razlog | 1,012.43 mi (1,629.35 km) |
| Bochum to Ruse | 1,015.72 mi (1,634.65 km) |
| Bochum to Samokov | 993.13 mi (1,598.29 km) |
| Bochum to Sandanski | 1,021.87 mi (1,644.54 km) |
| Bochum to Sevlievo | 1,018.33 mi (1,638.85 km) |
| Bochum to Shumen | 1,077.33 mi (1,733.79 km) |
| Bochum to Silistra | 1,055.47 mi (1,698.62 km) |
| Bochum to Sliven | 1,080.48 mi (1,738.87 km) |
