| Opovo to Oak Harbor (Washington) | 5,611.39 mi (9,030.66 km) |
| Opovo to Oak Hills (Oregon) | 5,787.75 mi (9,314.48 km) |
| Opovo to Oak Lawn (Illinois) | 4,985.70 mi (8,023.71 km) |
| Opovo to Oak Park (California) | 6,395.48 mi (10,292.52 km) |
| Opovo to Oak Park (Illinois) | 4,978.56 mi (8,012.21 km) |
| Opovo to Oak Park (Michigan) | 4,780.99 mi (7,694.26 km) |
| Opovo to Oak Ridge (Florida) | 5,381.17 mi (8,660.15 km) |
| Opovo to Oak Ridge (New Jersey) | 4,507.50 mi (7,254.13 km) |
| Opovo to Oak Ridge (Tennessee) | 5,134.83 mi (8,263.71 km) |
| Opovo to Oakdale (California) | 6,227.60 mi (10,022.36 km) |
| Opovo to Oakdale (Minnesota) | 5,004.09 mi (8,053.30 km) |
| Opovo to Oakland (California) | 6,258.39 mi (10,071.90 km) |
| Opovo to Oakland (New Jersey) | 4,497.19 mi (7,237.52 km) |
| Opovo to Oakland Park (Florida) | 5,438.28 mi (8,752.06 km) |
| Opovo to Oakleaf Plantation (Florida) | 5,316.16 mi (8,555.54 km) |
