| Aviles to Popovo | 1,602.05 mi (2,578.26 km) |
| Aviles to Provadia | 1,663.50 mi (2,677.15 km) |
| Aviles to Radnevo | 1,603.37 mi (2,580.37 km) |
| Aviles to Radomir | 1,451.33 mi (2,335.69 km) |
| Aviles to Rakitovo | 1,516.81 mi (2,441.06 km) |
| Aviles to Rakovski | 1,555.54 mi (2,503.40 km) |
| Aviles to Razgrad | 1,613.45 mi (2,596.60 km) |
| Aviles to Razlog | 1,487.82 mi (2,394.41 km) |
| Aviles to Ruse | 1,582.04 mi (2,546.04 km) |
| Aviles to Samokov | 1,484.71 mi (2,389.42 km) |
| Aviles to Sandanski | 1,484.18 mi (2,388.56 km) |
| Aviles to Sevlievo | 1,551.46 mi (2,496.83 km) |
| Aviles to Shumen | 1,637.44 mi (2,635.20 km) |
| Aviles to Silistra | 1,642.27 mi (2,642.97 km) |
| Aviles to Sliven | 1,616.94 mi (2,602.21 km) |
