| Castleford to Orthez | 707.18 mi (1,138.09 km) |
| Castleford to Orvault | 445.41 mi (716.82 km) |
| Castleford to Osny | 353.81 mi (569.40 km) |
| Castleford to Ostwald | 530.28 mi (853.40 km) |
| Castleford to Ouistreham | 310.16 mi (499.15 km) |
| Castleford to Oullins | 617.06 mi (993.06 km) |
| Castleford to Outreau | 242.67 mi (390.53 km) |
| Castleford to Oyonnax | 601.58 mi (968.15 km) |
| Castleford to Ozoir-la-Ferriere | 383.09 mi (616.53 km) |
| Castleford to Pace | 385.15 mi (619.84 km) |
| Castleford to Palaiseau | 378.98 mi (609.91 km) |
| Castleford to Pamiers | 744.72 mi (1,198.51 km) |
| Castleford to Panazol | 557.00 mi (896.40 km) |
| Castleford to Pantin | 370.31 mi (595.96 km) |
| Castleford to Paray-le-Monial | 557.18 mi (896.69 km) |
