| Castleford to Ondokuzmayis | 1,908.34 mi (3,071.17 km) |
| Castleford to Ordu | 2,003.27 mi (3,223.94 km) |
| Castleford to Ortahisar | 1,991.24 mi (3,204.59 km) |
| Castleford to Ortakent | 1,781.15 mi (2,866.48 km) |
| Castleford to Ortaklar | 1,748.19 mi (2,813.45 km) |
| Castleford to Ortakoy | 1,953.41 mi (3,143.72 km) |
| Castleford to Ortakoy | 1,929.82 mi (3,105.74 km) |
| Castleford to Osmaneli | 1,721.06 mi (2,769.78 km) |
| Castleford to Osmaniye | 2,119.89 mi (3,411.64 km) |
| Castleford to Ozdere | 1,727.77 mi (2,780.57 km) |
| Castleford to Palu | 2,189.13 mi (3,523.06 km) |
| Castleford to Pamukkale | 1,805.98 mi (2,906.44 km) |
| Castleford to Patnos | 2,282.50 mi (3,673.33 km) |
| Castleford to Pazar | 1,972.41 mi (3,174.29 km) |
| Castleford to Pazarcik | 2,141.01 mi (3,445.63 km) |
