| Campogalliano to Oswego (Illinois) | 4,663.09 mi (7,504.51 km) |
| Campogalliano to Oswego (New York) | 4,111.36 mi (6,616.59 km) |
| Campogalliano to Otsego (Minnesota) | 4,698.84 mi (7,562.05 km) |
| Campogalliano to Ottawa (Illinois) | 4,697.03 mi (7,559.15 km) |
| Campogalliano to Ottawa (Kansas) | 5,076.44 mi (8,169.75 km) |
| Campogalliano to Ottumwa (Iowa) | 4,851.81 mi (7,808.24 km) |
| Campogalliano to Overland (Missouri) | 4,880.06 mi (7,853.70 km) |
| Campogalliano to Overland Park (Kansas) | 5,040.35 mi (8,111.66 km) |
| Campogalliano to Overlea (Maryland) | 4,275.84 mi (6,881.30 km) |
| Campogalliano to Oviedo (Florida) | 4,949.55 mi (7,965.54 km) |
| Campogalliano to Owasso (Oklahoma) | 5,211.28 mi (8,386.74 km) |
| Campogalliano to Owatonna (Minnesota) | 4,739.12 mi (7,626.88 km) |
| Campogalliano to Owensboro (Kentucky) | 4,791.60 mi (7,711.34 km) |
| Campogalliano to Owings Mills (Maryland) | 4,285.67 mi (6,897.12 km) |
| Campogalliano to Owosso (Michigan) | 4,441.32 mi (7,147.61 km) |
