| Castalla to Plombieres | 898.56 mi (1,446.10 km) |
| Castalla to Pont-a-Celles | 858.28 mi (1,381.27 km) |
| Castalla to Poperinge | 862.96 mi (1,388.79 km) |
| Castalla to Profondeville | 857.92 mi (1,380.69 km) |
| Castalla to Putte | 898.24 mi (1,445.58 km) |
| Castalla to Puurs | 895.19 mi (1,440.67 km) |
| Castalla to Quaregnon | 847.42 mi (1,363.78 km) |
| Castalla to Raeren | 898.36 mi (1,445.78 km) |
| Castalla to Ranst | 906.93 mi (1,459.56 km) |
| Castalla to Ravels | 924.12 mi (1,487.22 km) |
| Castalla to Retie | 918.58 mi (1,478.32 km) |
| Castalla to Riemst | 897.44 mi (1,444.29 km) |
| Castalla to Rijkevorsel | 919.73 mi (1,480.16 km) |
| Castalla to Rixensart | 875.04 mi (1,408.24 km) |
| Castalla to Rochefort | 849.96 mi (1,367.87 km) |
