| Alcantarilla to Popovo | 1,478.19 mi (2,378.92 km) |
| Alcantarilla to Provadia | 1,537.49 mi (2,474.35 km) |
| Alcantarilla to Radnevo | 1,458.04 mi (2,346.48 km) |
| Alcantarilla to Radomir | 1,307.60 mi (2,104.38 km) |
| Alcantarilla to Rakitovo | 1,362.24 mi (2,192.32 km) |
| Alcantarilla to Rakovski | 1,408.60 mi (2,266.93 km) |
| Alcantarilla to Razgrad | 1,493.51 mi (2,403.58 km) |
| Alcantarilla to Razlog | 1,330.19 mi (2,140.74 km) |
| Alcantarilla to Ruse | 1,467.64 mi (2,361.93 km) |
| Alcantarilla to Samokov | 1,336.98 mi (2,151.66 km) |
| Alcantarilla to Sandanski | 1,319.51 mi (2,123.55 km) |
| Alcantarilla to Sevlievo | 1,419.96 mi (2,285.21 km) |
| Alcantarilla to Shumen | 1,512.87 mi (2,434.74 km) |
| Alcantarilla to Silistra | 1,534.47 mi (2,469.50 km) |
| Alcantarilla to Sliven | 1,479.80 mi (2,381.50 km) |
