| Puigcerda to Oswego (Illinois) | 4,387.69 mi (7,061.30 km) |
| Puigcerda to Oswego (New York) | 3,810.14 mi (6,131.83 km) |
| Puigcerda to Otsego (Minnesota) | 4,462.81 mi (7,182.20 km) |
| Puigcerda to Ottawa (Illinois) | 4,421.37 mi (7,115.52 km) |
| Puigcerda to Ottawa (Kansas) | 4,808.27 mi (7,738.16 km) |
| Puigcerda to Ottumwa (Iowa) | 4,586.65 mi (7,381.49 km) |
| Puigcerda to Overland (Missouri) | 4,594.76 mi (7,394.55 km) |
| Puigcerda to Overland Park (Kansas) | 4,771.59 mi (7,679.13 km) |
| Puigcerda to Overlea (Maryland) | 3,949.69 mi (6,356.40 km) |
| Puigcerda to Oviedo (Florida) | 4,584.06 mi (7,377.34 km) |
| Puigcerda to Owasso (Oklahoma) | 4,933.10 mi (7,939.06 km) |
| Puigcerda to Owatonna (Minnesota) | 4,494.67 mi (7,233.47 km) |
| Puigcerda to Owensboro (Kentucky) | 4,490.01 mi (7,225.97 km) |
| Puigcerda to Owings Mills (Maryland) | 3,960.60 mi (6,373.97 km) |
| Puigcerda to Owosso (Michigan) | 4,160.26 mi (6,695.29 km) |
