| McKinleyville to Oswego (Illinois) | 1,842.43 mi (2,965.10 km) |
| McKinleyville to Oswego (New York) | 2,408.48 mi (3,876.08 km) |
| McKinleyville to Otsego (Minnesota) | 1,555.75 mi (2,503.74 km) |
| McKinleyville to Ottawa (Illinois) | 1,821.80 mi (2,931.90 km) |
| McKinleyville to Ottawa (Kansas) | 1,532.14 mi (2,465.74 km) |
| McKinleyville to Ottumwa (Iowa) | 1,642.51 mi (2,643.36 km) |
| McKinleyville to Overland (Missouri) | 1,784.86 mi (2,872.45 km) |
| McKinleyville to Overland Park (Kansas) | 1,557.03 mi (2,505.80 km) |
| McKinleyville to Overlea (Maryland) | 2,482.97 mi (3,995.95 km) |
| McKinleyville to Oviedo (Florida) | 2,548.59 mi (4,101.56 km) |
| McKinleyville to Owasso (Oklahoma) | 1,551.75 mi (2,497.30 km) |
| McKinleyville to Owatonna (Minnesota) | 1,576.78 mi (2,537.58 km) |
| McKinleyville to Owensboro (Kentucky) | 1,972.59 mi (3,174.58 km) |
| McKinleyville to Owings Mills (Maryland) | 2,468.06 mi (3,971.95 km) |
| McKinleyville to Owosso (Michigan) | 2,035.66 mi (3,276.09 km) |
