| Unicov to Oak Harbor (Washington) | 5,250.59 mi (8,450.01 km) |
| Unicov to Oak Hills (Oregon) | 5,426.97 mi (8,733.87 km) |
| Unicov to Oak Lawn (Illinois) | 4,657.03 mi (7,494.76 km) |
| Unicov to Oak Park (California) | 6,038.70 mi (9,718.36 km) |
| Unicov to Oak Park (Illinois) | 4,649.50 mi (7,482.64 km) |
| Unicov to Oak Park (Michigan) | 4,457.76 mi (7,174.08 km) |
| Unicov to Oak Ridge (Florida) | 5,096.23 mi (8,201.59 km) |
| Unicov to Oak Ridge (New Jersey) | 4,202.76 mi (6,763.69 km) |
| Unicov to Oak Ridge (Tennessee) | 4,824.37 mi (7,764.07 km) |
| Unicov to Oakdale (California) | 5,868.44 mi (9,444.34 km) |
| Unicov to Oakdale (Minnesota) | 4,663.01 mi (7,504.39 km) |
| Unicov to Oakland (California) | 5,898.69 mi (9,493.02 km) |
| Unicov to Oakland (New Jersey) | 4,192.92 mi (6,747.85 km) |
| Unicov to Oakland Park (Florida) | 5,163.11 mi (8,309.23 km) |
| Unicov to Oakleaf Plantation (Florida) | 5,025.61 mi (8,087.94 km) |
