| Campagna to Oswego (Illinois) | 5,005.04 mi (8,054.84 km) |
| Campagna to Oswego (New York) | 4,446.51 mi (7,155.96 km) |
| Campagna to Otsego (Minnesota) | 5,047.06 mi (8,122.45 km) |
| Campagna to Ottawa (Illinois) | 5,038.97 mi (8,109.43 km) |
| Campagna to Ottawa (Kansas) | 5,420.17 mi (8,722.92 km) |
| Campagna to Ottumwa (Iowa) | 5,195.90 mi (8,361.99 km) |
| Campagna to Overland (Missouri) | 5,220.06 mi (8,400.88 km) |
| Campagna to Overland Park (Kansas) | 5,383.93 mi (8,664.61 km) |
| Campagna to Overlea (Maryland) | 4,603.29 mi (7,408.28 km) |
| Campagna to Oviedo (Florida) | 5,260.43 mi (8,465.85 km) |
| Campagna to Owasso (Oklahoma) | 5,553.14 mi (8,936.91 km) |
| Campagna to Owatonna (Minnesota) | 5,086.33 mi (8,185.66 km) |
| Campagna to Owensboro (Kentucky) | 5,127.39 mi (8,251.73 km) |
| Campagna to Owings Mills (Maryland) | 4,613.52 mi (7,424.74 km) |
| Campagna to Owosso (Michigan) | 4,781.85 mi (7,695.65 km) |
