| Borgloon to Provadia | 1,160.43 mi (1,867.53 km) |
| Borgloon to Radnevo | 1,135.43 mi (1,827.29 km) |
| Borgloon to Radomir | 1,006.77 mi (1,620.25 km) |
| Borgloon to Rakitovo | 1,076.24 mi (1,732.03 km) |
| Borgloon to Rakovski | 1,097.31 mi (1,765.95 km) |
| Borgloon to Razgrad | 1,108.79 mi (1,784.42 km) |
| Borgloon to Razlog | 1,057.01 mi (1,701.09 km) |
| Borgloon to Ruse | 1,074.27 mi (1,728.87 km) |
| Borgloon to Samokov | 1,039.80 mi (1,673.39 km) |
| Borgloon to Sandanski | 1,064.66 mi (1,713.40 km) |
| Borgloon to Sevlievo | 1,071.83 mi (1,724.95 km) |
| Borgloon to Shumen | 1,135.80 mi (1,827.90 km) |
| Borgloon to Silistra | 1,117.69 mi (1,798.75 km) |
| Borgloon to Sliven | 1,135.45 mi (1,827.33 km) |
| Borgloon to Smolyan | 1,118.35 mi (1,799.81 km) |
