| Dilbeek to Provadia | 1,206.56 mi (1,941.77 km) |
| Dilbeek to Radnevo | 1,180.39 mi (1,899.65 km) |
| Dilbeek to Radomir | 1,050.38 mi (1,690.42 km) |
| Dilbeek to Rakitovo | 1,119.98 mi (1,802.43 km) |
| Dilbeek to Rakovski | 1,141.80 mi (1,837.55 km) |
| Dilbeek to Razgrad | 1,154.85 mi (1,858.55 km) |
| Dilbeek to Razlog | 1,100.27 mi (1,770.72 km) |
| Dilbeek to Ruse | 1,120.35 mi (1,803.02 km) |
| Dilbeek to Samokov | 1,083.56 mi (1,743.82 km) |
| Dilbeek to Sandanski | 1,107.48 mi (1,782.32 km) |
| Dilbeek to Sevlievo | 1,117.00 mi (1,797.64 km) |
| Dilbeek to Shumen | 1,181.84 mi (1,901.99 km) |
| Dilbeek to Silistra | 1,164.31 mi (1,873.78 km) |
| Dilbeek to Sliven | 1,180.86 mi (1,900.42 km) |
| Dilbeek to Smolyan | 1,162.08 mi (1,870.19 km) |
