| Strombeek-Bever to Provadia | 1,203.95 mi (1,937.58 km) |
| Strombeek-Bever to Radnevo | 1,178.30 mi (1,896.28 km) |
| Strombeek-Bever to Radomir | 1,048.78 mi (1,687.84 km) |
| Strombeek-Bever to Rakitovo | 1,118.33 mi (1,799.78 km) |
| Strombeek-Bever to Rakovski | 1,139.89 mi (1,834.48 km) |
| Strombeek-Bever to Razgrad | 1,152.28 mi (1,854.41 km) |
| Strombeek-Bever to Razlog | 1,098.79 mi (1,768.33 km) |
| Strombeek-Bever to Ruse | 1,117.77 mi (1,798.87 km) |
| Strombeek-Bever to Samokov | 1,081.91 mi (1,741.16 km) |
| Strombeek-Bever to Sandanski | 1,106.14 mi (1,780.16 km) |
| Strombeek-Bever to Sevlievo | 1,114.83 mi (1,794.14 km) |
| Strombeek-Bever to Shumen | 1,179.28 mi (1,897.87 km) |
| Strombeek-Bever to Silistra | 1,161.44 mi (1,869.16 km) |
| Strombeek-Bever to Sliven | 1,178.59 mi (1,896.76 km) |
| Strombeek-Bever to Smolyan | 1,160.44 mi (1,867.55 km) |
