| Cities | Distance |
|---|---|
| Castalla to Opwijk | 886.72 mi (1,427.03 km) |
| Castalla to Ostend | 889.81 mi (1,432.01 km) |
| Castalla to Oud-Heverlee | 884.55 mi (1,423.55 km) |
| Castalla to Oud-Turnhout | 920.62 mi (1,481.60 km) |
| Castalla to Oudenaarde | 871.81 mi (1,403.04 km) |
| Castalla to Oudenburg | 887.72 mi (1,428.65 km) |
| Castalla to Oupeye | 891.70 mi (1,435.06 km) |
| Castalla to Overijse | 879.39 mi (1,415.25 km) |
| Castalla to Overpelt | 920.64 mi (1,481.63 km) |
| Castalla to Paal | 905.42 mi (1,457.13 km) |
| Castalla to Peer | 915.81 mi (1,473.86 km) |
| Castalla to Pepinster | 885.68 mi (1,425.36 km) |
| Castalla to Peruwelz | 849.43 mi (1,367.03 km) |
| Castalla to Perwez | 873.11 mi (1,405.13 km) |
| Castalla to Philippeville | 841.58 mi (1,354.40 km) |