| Castleford to Nyon | 607.57 mi (977.79 km) |
| Castleford to Oberriet | 651.20 mi (1,048.01 km) |
| Castleford to Obersiggenthal | 602.53 mi (969.68 km) |
| Castleford to Oberwil | 579.03 mi (931.85 km) |
| Castleford to Oberwingert | 615.73 mi (990.93 km) |
| Castleford to Oftringen | 600.25 mi (966.02 km) |
| Castleford to Olten | 597.98 mi (962.35 km) |
| Castleford to Onex | 616.31 mi (991.86 km) |
| Castleford to Opfikon | 613.75 mi (987.74 km) |
| Castleford to Ostermundigen | 607.67 mi (977.96 km) |
| Castleford to Payerne | 600.22 mi (965.96 km) |
| Castleford to Pfaffikon | 623.91 mi (1,004.09 km) |
| Castleford to Plan-les-Ouates | 617.70 mi (994.10 km) |
| Castleford to Pratteln | 583.14 mi (938.48 km) |
| Castleford to Prilly | 607.88 mi (978.28 km) |
