| Valdemorillo to Oswego (Illinois) | 4,197.52 mi (6,755.25 km) |
| Valdemorillo to Oswego (New York) | 3,604.86 mi (5,801.47 km) |
| Valdemorillo to Otsego (Minnesota) | 4,301.38 mi (6,922.39 km) |
| Valdemorillo to Ottawa (Illinois) | 4,230.75 mi (6,808.74 km) |
| Valdemorillo to Ottawa (Kansas) | 4,620.46 mi (7,435.91 km) |
| Valdemorillo to Ottumwa (Iowa) | 4,402.63 mi (7,085.34 km) |
| Valdemorillo to Overland (Missouri) | 4,395.72 mi (7,074.23 km) |
| Valdemorillo to Overland Park (Kansas) | 4,583.59 mi (7,376.58 km) |
| Valdemorillo to Overlea (Maryland) | 3,724.19 mi (5,993.50 km) |
| Valdemorillo to Oviedo (Florida) | 4,325.23 mi (6,960.79 km) |
| Valdemorillo to Owasso (Oklahoma) | 4,737.10 mi (7,623.62 km) |
| Valdemorillo to Owatonna (Minnesota) | 4,326.73 mi (6,963.19 km) |
| Valdemorillo to Owensboro (Kentucky) | 4,279.52 mi (6,887.22 km) |
| Valdemorillo to Owings Mills (Maryland) | 3,735.86 mi (6,012.28 km) |
| Valdemorillo to Owosso (Michigan) | 3,967.55 mi (6,385.16 km) |
