| Castalla to Orthez | 338.00 mi (543.96 km) |
| Castalla to Orvault | 601.30 mi (967.70 km) |
| Castalla to Osny | 735.48 mi (1,183.64 km) |
| Castalla to Ostwald | 804.61 mi (1,294.89 km) |
| Castalla to Ouistreham | 738.37 mi (1,188.29 km) |
| Castalla to Oullins | 565.93 mi (910.77 km) |
| Castalla to Outreau | 843.79 mi (1,357.95 km) |
| Castalla to Oyonnax | 619.34 mi (996.73 km) |
| Castalla to Ozoir-la-Ferriere | 722.91 mi (1,163.42 km) |
| Castalla to Pace | 662.22 mi (1,065.74 km) |
| Castalla to Palaiseau | 713.97 mi (1,149.02 km) |
| Castalla to Pamiers | 334.23 mi (537.90 km) |
| Castalla to Panazol | 510.50 mi (821.57 km) |
| Castalla to Pantin | 727.83 mi (1,171.32 km) |
| Castalla to Paray-le-Monial | 594.70 mi (957.07 km) |
