| Castellon de la Plana to Oswego (Illinois) | 4,396.05 mi (7,074.75 km) |
| Castellon de la Plana to Oswego (New York) | 3,807.37 mi (6,127.36 km) |
| Castellon de la Plana to Otsego (Minnesota) | 4,490.60 mi (7,226.93 km) |
| Castellon de la Plana to Ottawa (Illinois) | 4,429.44 mi (7,128.50 km) |
| Castellon de la Plana to Ottawa (Kansas) | 4,818.54 mi (7,754.70 km) |
| Castellon de la Plana to Ottumwa (Iowa) | 4,599.40 mi (7,402.02 km) |
| Castellon de la Plana to Overland (Missouri) | 4,596.98 mi (7,398.12 km) |
| Castellon de la Plana to Overland Park (Kansas) | 4,781.71 mi (7,695.42 km) |
| Castellon de la Plana to Overlea (Maryland) | 3,931.93 mi (6,327.82 km) |
| Castellon de la Plana to Oviedo (Florida) | 4,539.25 mi (7,305.22 km) |
| Castellon de la Plana to Owasso (Oklahoma) | 4,937.68 mi (7,946.43 km) |
| Castellon de la Plana to Owatonna (Minnesota) | 4,518.21 mi (7,271.36 km) |
| Castellon de la Plana to Owensboro (Kentucky) | 4,483.84 mi (7,216.05 km) |
| Castellon de la Plana to Owings Mills (Maryland) | 3,943.43 mi (6,346.33 km) |
| Castellon de la Plana to Owosso (Michigan) | 4,166.69 mi (6,705.63 km) |
