| Portugalete to Oak Harbor (Washington) | 5,123.62 mi (8,245.66 km) |
| Portugalete to Oak Hills (Oregon) | 5,274.17 mi (8,487.95 km) |
| Portugalete to Oak Lawn (Illinois) | 4,116.44 mi (6,624.76 km) |
| Portugalete to Oak Park (California) | 5,726.11 mi (9,215.29 km) |
| Portugalete to Oak Park (Illinois) | 4,111.55 mi (6,616.91 km) |
| Portugalete to Oak Park (Michigan) | 3,889.78 mi (6,259.99 km) |
| Portugalete to Oak Ridge (Florida) | 4,345.28 mi (6,993.06 km) |
| Portugalete to Oak Ridge (New Jersey) | 3,547.07 mi (5,708.45 km) |
| Portugalete to Oak Ridge (Tennessee) | 4,180.98 mi (6,728.63 km) |
| Portugalete to Oakdale (California) | 5,615.77 mi (9,037.71 km) |
| Portugalete to Oakdale (Minnesota) | 4,211.51 mi (6,777.77 km) |
| Portugalete to Oakland (California) | 5,662.60 mi (9,113.08 km) |
| Portugalete to Oakland (New Jersey) | 3,535.29 mi (5,689.50 km) |
| Portugalete to Oakland Park (Florida) | 4,379.19 mi (7,047.63 km) |
| Portugalete to Oakleaf Plantation (Florida) | 4,295.75 mi (6,913.34 km) |
