| Unicov to Oswego (Illinois) | 4,678.91 mi (7,529.98 km) |
| Unicov to Oswego (New York) | 4,166.37 mi (6,705.12 km) |
| Unicov to Otsego (Minnesota) | 4,669.42 mi (7,514.71 km) |
| Unicov to Ottawa (Illinois) | 4,712.68 mi (7,584.33 km) |
| Unicov to Ottawa (Kansas) | 5,078.06 mi (8,172.36 km) |
| Unicov to Ottumwa (Iowa) | 4,853.05 mi (7,810.22 km) |
| Unicov to Overland (Missouri) | 4,904.55 mi (7,893.12 km) |
| Unicov to Overland Park (Kansas) | 5,043.14 mi (8,116.16 km) |
| Unicov to Overlea (Maryland) | 4,359.34 mi (7,015.68 km) |
| Unicov to Oviedo (Florida) | 5,077.40 mi (8,171.28 km) |
| Unicov to Owasso (Oklahoma) | 5,222.84 mi (8,405.35 km) |
| Unicov to Owatonna (Minnesota) | 4,718.46 mi (7,593.63 km) |
| Unicov to Owensboro (Kentucky) | 4,837.05 mi (7,784.48 km) |
| Unicov to Owings Mills (Maryland) | 4,367.64 mi (7,029.04 km) |
| Unicov to Owosso (Michigan) | 4,467.09 mi (7,189.08 km) |
