| Castellon de la Plana to Nottingham | 897.70 mi (1,444.71 km) |
| Castellon de la Plana to Nuneaton | 869.08 mi (1,398.66 km) |
| Castellon de la Plana to Oadby | 873.05 mi (1,405.04 km) |
| Castellon de la Plana to Oakengates | 885.71 mi (1,425.42 km) |
| Castellon de la Plana to Oakham | 877.24 mi (1,411.78 km) |
| Castellon de la Plana to Oldbury | 870.26 mi (1,400.55 km) |
| Castellon de la Plana to Oldham | 942.06 mi (1,516.11 km) |
| Castellon de la Plana to Ollerton | 914.38 mi (1,471.55 km) |
| Castellon de la Plana to Olton | 864.62 mi (1,391.48 km) |
| Castellon de la Plana to Omagh | 1,063.63 mi (1,711.75 km) |
| Castellon de la Plana to Ormesby | 1,007.82 mi (1,621.94 km) |
| Castellon de la Plana to Ormskirk | 947.99 mi (1,525.64 km) |
| Castellon de la Plana to Orpington | 787.07 mi (1,266.66 km) |
| Castellon de la Plana to Ossett | 949.13 mi (1,527.47 km) |
| Castellon de la Plana to Oswaldtwistle | 957.09 mi (1,540.29 km) |
