| Conil de la Frontera to Oswego (Illinois) | 4,261.00 mi (6,857.42 km) |
| Conil de la Frontera to Oswego (New York) | 3,656.02 mi (5,883.79 km) |
| Conil de la Frontera to Otsego (Minnesota) | 4,394.44 mi (7,072.17 km) |
| Conil de la Frontera to Ottawa (Illinois) | 4,293.50 mi (6,909.72 km) |
| Conil de la Frontera to Ottawa (Kansas) | 4,683.57 mi (7,537.48 km) |
| Conil de la Frontera to Ottumwa (Iowa) | 4,471.37 mi (7,195.97 km) |
| Conil de la Frontera to Overland (Missouri) | 4,447.84 mi (7,158.11 km) |
| Conil de la Frontera to Overland Park (Kansas) | 4,646.76 mi (7,478.23 km) |
| Conil de la Frontera to Overlea (Maryland) | 3,749.82 mi (6,034.76 km) |
| Conil de la Frontera to Oviedo (Florida) | 4,301.26 mi (6,922.21 km) |
| Conil de la Frontera to Owasso (Oklahoma) | 4,790.34 mi (7,709.31 km) |
| Conil de la Frontera to Owatonna (Minnesota) | 4,412.97 mi (7,102.00 km) |
| Conil de la Frontera to Owensboro (Kentucky) | 4,319.17 mi (6,951.03 km) |
| Conil de la Frontera to Owings Mills (Maryland) | 3,762.35 mi (6,054.91 km) |
| Conil de la Frontera to Owosso (Michigan) | 4,029.99 mi (6,485.65 km) |
