| Sankt Augustin to Popovo | 1,028.37 mi (1,655.00 km) |
| Sankt Augustin to Provadia | 1,083.88 mi (1,744.33 km) |
| Sankt Augustin to Radnevo | 1,061.32 mi (1,708.02 km) |
| Sankt Augustin to Radomir | 935.56 mi (1,505.64 km) |
| Sankt Augustin to Rakitovo | 1,004.67 mi (1,616.85 km) |
| Sankt Augustin to Rakovski | 1,024.19 mi (1,648.27 km) |
| Sankt Augustin to Razgrad | 1,032.39 mi (1,661.47 km) |
| Sankt Augustin to Razlog | 986.42 mi (1,587.50 km) |
| Sankt Augustin to Ruse | 997.86 mi (1,605.91 km) |
| Sankt Augustin to Samokov | 968.22 mi (1,558.20 km) |
| Sankt Augustin to Sandanski | 994.95 mi (1,601.21 km) |
| Sankt Augustin to Sevlievo | 997.33 mi (1,605.05 km) |
| Sankt Augustin to Shumen | 1,059.46 mi (1,705.03 km) |
| Sankt Augustin to Silistra | 1,040.09 mi (1,673.86 km) |
| Sankt Augustin to Sliven | 1,060.41 mi (1,706.56 km) |
