| Almendralejo to Oswego (Illinois) | 4,156.65 mi (6,689.48 km) |
| Almendralejo to Oswego (New York) | 3,556.41 mi (5,723.49 km) |
| Almendralejo to Otsego (Minnesota) | 4,277.80 mi (6,884.46 km) |
| Almendralejo to Ottawa (Illinois) | 4,189.50 mi (6,742.35 km) |
| Almendralejo to Ottawa (Kansas) | 4,579.76 mi (7,370.41 km) |
| Almendralejo to Ottumwa (Iowa) | 4,364.95 mi (7,024.71 km) |
| Almendralejo to Overland (Missouri) | 4,348.63 mi (6,998.45 km) |
| Almendralejo to Overland Park (Kansas) | 4,542.89 mi (7,311.08 km) |
| Almendralejo to Overlea (Maryland) | 3,661.87 mi (5,893.21 km) |
| Almendralejo to Oviedo (Florida) | 4,237.87 mi (6,820.19 km) |
| Almendralejo to Owasso (Oklahoma) | 4,690.94 mi (7,549.33 km) |
| Almendralejo to Owatonna (Minnesota) | 4,299.14 mi (6,918.80 km) |
| Almendralejo to Owensboro (Kentucky) | 4,225.41 mi (6,800.14 km) |
| Almendralejo to Owings Mills (Maryland) | 3,674.01 mi (5,912.75 km) |
| Almendralejo to Owosso (Michigan) | 3,925.86 mi (6,318.07 km) |
