| Wardenburg to Popovo | 1,062.56 mi (1,710.02 km) |
| Wardenburg to Provadia | 1,113.42 mi (1,791.88 km) |
| Wardenburg to Radnevo | 1,105.16 mi (1,778.59 km) |
| Wardenburg to Radomir | 994.33 mi (1,600.21 km) |
| Wardenburg to Rakitovo | 1,060.94 mi (1,707.41 km) |
| Wardenburg to Rakovski | 1,073.32 mi (1,727.34 km) |
| Wardenburg to Razgrad | 1,063.64 mi (1,711.77 km) |
| Wardenburg to Razlog | 1,046.95 mi (1,684.91 km) |
| Wardenburg to Ruse | 1,029.56 mi (1,656.92 km) |
| Wardenburg to Samokov | 1,024.98 mi (1,649.55 km) |
| Wardenburg to Sandanski | 1,058.70 mi (1,703.82 km) |
| Wardenburg to Sevlievo | 1,040.03 mi (1,673.76 km) |
| Wardenburg to Shumen | 1,090.66 mi (1,755.24 km) |
| Wardenburg to Silistra | 1,062.82 mi (1,710.44 km) |
| Wardenburg to Sliven | 1,099.31 mi (1,769.17 km) |
