| Cantanhede to Oak Harbor (Washington) | 5,108.11 mi (8,220.71 km) |
| Cantanhede to Oak Hills (Oregon) | 5,247.26 mi (8,444.66 km) |
| Cantanhede to Oak Lawn (Illinois) | 3,970.52 mi (6,389.93 km) |
| Cantanhede to Oak Park (California) | 5,637.00 mi (9,071.87 km) |
| Cantanhede to Oak Park (Illinois) | 3,966.72 mi (6,383.81 km) |
| Cantanhede to Oak Park (Michigan) | 3,737.32 mi (6,014.63 km) |
| Cantanhede to Oak Ridge (Florida) | 4,115.81 mi (6,623.76 km) |
| Cantanhede to Oak Ridge (New Jersey) | 3,366.22 mi (5,417.41 km) |
| Cantanhede to Oak Ridge (Tennessee) | 3,995.00 mi (6,429.34 km) |
| Cantanhede to Oakdale (California) | 5,549.01 mi (8,930.27 km) |
| Cantanhede to Oakdale (Minnesota) | 4,097.12 mi (6,593.68 km) |
| Cantanhede to Oakland (California) | 5,600.83 mi (9,013.66 km) |
| Cantanhede to Oakland (New Jersey) | 3,353.88 mi (5,397.55 km) |
| Cantanhede to Oakland Park (Florida) | 4,136.58 mi (6,657.17 km) |
| Cantanhede to Oakleaf Plantation (Florida) | 4,075.00 mi (6,558.08 km) |
