| Macerata Campania to Oswego (Illinois) | 4,953.94 mi (7,972.59 km) |
| Macerata Campania to Oswego (New York) | 4,395.04 mi (7,073.14 km) |
| Macerata Campania to Otsego (Minnesota) | 4,996.84 mi (8,041.64 km) |
| Macerata Campania to Ottawa (Illinois) | 4,987.86 mi (8,027.18 km) |
| Macerata Campania to Ottawa (Kansas) | 5,369.22 mi (8,640.93 km) |
| Macerata Campania to Ottumwa (Iowa) | 5,145.00 mi (8,280.07 km) |
| Macerata Campania to Overland (Missouri) | 5,168.81 mi (8,318.39 km) |
| Macerata Campania to Overland Park (Kansas) | 5,332.97 mi (8,582.59 km) |
| Macerata Campania to Overlea (Maryland) | 4,551.72 mi (7,325.28 km) |
| Macerata Campania to Oviedo (Florida) | 5,209.21 mi (8,383.41 km) |
| Macerata Campania to Owasso (Oklahoma) | 5,502.02 mi (8,854.64 km) |
| Macerata Campania to Owatonna (Minnesota) | 5,035.90 mi (8,104.49 km) |
| Macerata Campania to Owensboro (Kentucky) | 5,075.94 mi (8,168.93 km) |
| Macerata Campania to Owings Mills (Maryland) | 4,561.94 mi (7,341.74 km) |
| Macerata Campania to Owosso (Michigan) | 4,730.64 mi (7,613.23 km) |
