| Laeken to Provadia | 1,203.05 mi (1,936.12 km) |
| Laeken to Radnevo | 1,177.23 mi (1,894.57 km) |
| Laeken to Radomir | 1,047.57 mi (1,685.90 km) |
| Laeken to Rakitovo | 1,117.14 mi (1,797.86 km) |
| Laeken to Rakovski | 1,138.78 mi (1,832.68 km) |
| Laeken to Razgrad | 1,151.36 mi (1,852.94 km) |
| Laeken to Razlog | 1,097.55 mi (1,766.33 km) |
| Laeken to Ruse | 1,116.86 mi (1,797.41 km) |
| Laeken to Samokov | 1,080.72 mi (1,739.24 km) |
| Laeken to Sandanski | 1,104.86 mi (1,778.10 km) |
| Laeken to Sevlievo | 1,113.79 mi (1,792.47 km) |
| Laeken to Shumen | 1,178.36 mi (1,896.39 km) |
| Laeken to Silistra | 1,160.63 mi (1,867.85 km) |
| Laeken to Sliven | 1,177.58 mi (1,895.14 km) |
| Laeken to Smolyan | 1,159.25 mi (1,865.63 km) |
