| Cossato to Oswego (Illinois) | 4,521.49 mi (7,276.63 km) |
| Cossato to Oswego (New York) | 3,968.04 mi (6,385.94 km) |
| Cossato to Otsego (Minnesota) | 4,560.71 mi (7,339.75 km) |
| Cossato to Ottawa (Illinois) | 4,555.43 mi (7,331.25 km) |
| Cossato to Ottawa (Kansas) | 4,935.56 mi (7,943.01 km) |
| Cossato to Ottumwa (Iowa) | 4,711.08 mi (7,581.74 km) |
| Cossato to Overland (Missouri) | 4,737.86 mi (7,624.84 km) |
| Cossato to Overland Park (Kansas) | 4,899.40 mi (7,884.82 km) |
| Cossato to Overlea (Maryland) | 4,131.69 mi (6,649.32 km) |
| Cossato to Oviedo (Florida) | 4,805.48 mi (7,733.68 km) |
| Cossato to Owasso (Oklahoma) | 5,069.67 mi (8,158.85 km) |
| Cossato to Owatonna (Minnesota) | 4,600.18 mi (7,403.27 km) |
| Cossato to Owensboro (Kentucky) | 4,648.43 mi (7,480.93 km) |
| Cossato to Owings Mills (Maryland) | 4,141.55 mi (6,665.17 km) |
| Cossato to Owosso (Michigan) | 4,299.24 mi (6,918.96 km) |
