| Mackworth to Oak Harbor (Washington) | 4,638.57 mi (7,465.06 km) |
| Mackworth to Oak Hills (Oregon) | 4,802.42 mi (7,728.75 km) |
| Mackworth to Oak Lawn (Illinois) | 3,862.42 mi (6,215.97 km) |
| Mackworth to Oak Park (California) | 5,339.76 mi (8,593.52 km) |
| Mackworth to Oak Park (Illinois) | 3,855.59 mi (6,204.97 km) |
| Mackworth to Oak Park (Michigan) | 3,654.62 mi (5,881.53 km) |
| Mackworth to Oak Ridge (Florida) | 4,265.73 mi (6,865.03 km) |
| Mackworth to Oak Ridge (New Jersey) | 3,380.38 mi (5,440.19 km) |
| Mackworth to Oak Ridge (Tennessee) | 4,006.60 mi (6,448.01 km) |
| Mackworth to Oakdale (California) | 5,196.37 mi (8,362.76 km) |
| Mackworth to Oakdale (Minnesota) | 3,896.61 mi (6,270.99 km) |
| Mackworth to Oakland (California) | 5,235.05 mi (8,425.00 km) |
| Mackworth to Oakland (New Jersey) | 3,370.20 mi (5,423.82 km) |
| Mackworth to Oakland Park (Florida) | 4,331.57 mi (6,970.99 km) |
| Mackworth to Oakleaf Plantation (Florida) | 4,196.53 mi (6,753.67 km) |
