| Birkenhead to Oak Harbor (Washington) | 4,575.24 mi (7,363.14 km) |
| Birkenhead to Oak Hills (Oregon) | 4,738.37 mi (7,625.67 km) |
| Birkenhead to Oak Lawn (Illinois) | 3,793.38 mi (6,104.85 km) |
| Birkenhead to Oak Park (California) | 5,272.37 mi (8,485.06 km) |
| Birkenhead to Oak Park (Illinois) | 3,786.53 mi (6,093.84 km) |
| Birkenhead to Oak Park (Michigan) | 3,585.73 mi (5,770.67 km) |
| Birkenhead to Oak Ridge (Florida) | 4,199.88 mi (6,759.06 km) |
| Birkenhead to Oak Ridge (New Jersey) | 3,312.65 mi (5,331.20 km) |
| Birkenhead to Oak Ridge (Tennessee) | 3,938.47 mi (6,338.35 km) |
| Birkenhead to Oakdale (California) | 5,130.03 mi (8,255.98 km) |
| Birkenhead to Oakdale (Minnesota) | 3,827.64 mi (6,159.99 km) |
| Birkenhead to Oakland (California) | 5,169.04 mi (8,318.76 km) |
| Birkenhead to Oakland (New Jersey) | 3,302.52 mi (5,314.89 km) |
| Birkenhead to Oakland Park (Florida) | 4,266.78 mi (6,866.72 km) |
| Birkenhead to Oakleaf Plantation (Florida) | 4,130.11 mi (6,646.78 km) |
