| Barbastro to Popovo | 1,323.48 mi (2,129.94 km) |
| Barbastro to Provadia | 1,384.69 mi (2,228.45 km) |
| Barbastro to Radnevo | 1,316.62 mi (2,118.90 km) |
| Barbastro to Radomir | 1,163.50 mi (1,872.48 km) |
| Barbastro to Rakitovo | 1,225.87 mi (1,972.85 km) |
| Barbastro to Rakovski | 1,267.73 mi (2,040.21 km) |
| Barbastro to Razgrad | 1,336.57 mi (2,151.00 km) |
| Barbastro to Razlog | 1,195.51 mi (1,923.98 km) |
| Barbastro to Ruse | 1,307.07 mi (2,103.53 km) |
| Barbastro to Samokov | 1,195.84 mi (1,924.51 km) |
| Barbastro to Sandanski | 1,189.45 mi (1,914.24 km) |
| Barbastro to Sevlievo | 1,269.36 mi (2,042.84 km) |
| Barbastro to Shumen | 1,358.95 mi (2,187.02 km) |
| Barbastro to Silistra | 1,370.68 mi (2,205.90 km) |
| Barbastro to Sliven | 1,333.37 mi (2,145.85 km) |
