| Didcot to Oak Harbor (Washington) | 4,718.30 mi (7,593.37 km) |
| Didcot to Oak Hills (Oregon) | 4,880.89 mi (7,855.03 km) |
| Didcot to Oak Lawn (Illinois) | 3,914.24 mi (6,299.37 km) |
| Didcot to Oak Park (California) | 5,409.42 mi (8,705.62 km) |
| Didcot to Oak Park (Illinois) | 3,907.64 mi (6,288.74 km) |
| Didcot to Oak Park (Michigan) | 3,703.63 mi (5,960.42 km) |
| Didcot to Oak Ridge (Florida) | 4,295.75 mi (6,913.35 km) |
| Didcot to Oak Ridge (New Jersey) | 3,419.87 mi (5,503.75 km) |
| Didcot to Oak Ridge (Tennessee) | 4,048.52 mi (6,515.47 km) |
| Didcot to Oakdale (California) | 5,269.56 mi (8,480.53 km) |
| Didcot to Oakdale (Minnesota) | 3,956.07 mi (6,366.68 km) |
| Didcot to Oakland (California) | 5,309.15 mi (8,544.26 km) |
| Didcot to Oakland (New Jersey) | 3,409.46 mi (5,487.00 km) |
| Didcot to Oakland Park (Florida) | 4,357.47 mi (7,012.68 km) |
| Didcot to Oakleaf Plantation (Florida) | 4,229.01 mi (6,805.94 km) |
