| Porto-Vecchio to Oswego (Illinois) | 4,729.05 mi (7,610.67 km) |
| Porto-Vecchio to Oswego (New York) | 4,161.68 mi (6,697.57 km) |
| Porto-Vecchio to Otsego (Minnesota) | 4,785.77 mi (7,701.95 km) |
| Porto-Vecchio to Ottawa (Illinois) | 4,762.90 mi (7,665.14 km) |
| Porto-Vecchio to Ottawa (Kansas) | 5,146.97 mi (8,283.25 km) |
| Porto-Vecchio to Ottumwa (Iowa) | 4,923.68 mi (7,923.89 km) |
| Porto-Vecchio to Overland (Missouri) | 4,940.71 mi (7,951.30 km) |
| Porto-Vecchio to Overland Park (Kansas) | 5,110.50 mi (8,224.56 km) |
| Porto-Vecchio to Overlea (Maryland) | 4,310.98 mi (6,937.86 km) |
| Porto-Vecchio to Oviedo (Florida) | 4,958.13 mi (7,979.33 km) |
| Porto-Vecchio to Owasso (Oklahoma) | 5,276.40 mi (8,491.55 km) |
| Porto-Vecchio to Owatonna (Minnesota) | 4,821.81 mi (7,759.95 km) |
| Porto-Vecchio to Owensboro (Kentucky) | 4,842.59 mi (7,793.39 km) |
| Porto-Vecchio to Owings Mills (Maryland) | 4,321.52 mi (6,954.81 km) |
| Porto-Vecchio to Owosso (Michigan) | 4,503.79 mi (7,248.14 km) |
