| Castellbisbal to Popovo | 1,239.43 mi (1,994.67 km) |
| Castellbisbal to Provadia | 1,300.32 mi (2,092.66 km) |
| Castellbisbal to Radnevo | 1,229.20 mi (1,978.21 km) |
| Castellbisbal to Radomir | 1,076.19 mi (1,731.96 km) |
| Castellbisbal to Rakitovo | 1,136.99 mi (1,829.80 km) |
| Castellbisbal to Rakovski | 1,180.02 mi (1,899.06 km) |
| Castellbisbal to Razgrad | 1,253.16 mi (2,016.76 km) |
| Castellbisbal to Razlog | 1,106.14 mi (1,780.16 km) |
| Castellbisbal to Ruse | 1,224.57 mi (1,970.76 km) |
| Castellbisbal to Samokov | 1,107.94 mi (1,783.06 km) |
| Castellbisbal to Sandanski | 1,099.06 mi (1,768.77 km) |
| Castellbisbal to Sevlievo | 1,184.06 mi (1,905.56 km) |
| Castellbisbal to Shumen | 1,274.80 mi (2,051.58 km) |
| Castellbisbal to Silistra | 1,289.30 mi (2,074.92 km) |
| Castellbisbal to Sliven | 1,247.22 mi (2,007.20 km) |
