| Valongo to Odessa (Texas) | 4,991.79 mi (8,033.50 km) |
| Valongo to Ogden (Utah) | 5,003.32 mi (8,052.07 km) |
| Valongo to Oildale (California) | 5,555.61 mi (8,940.88 km) |
| Valongo to Ojus (Florida) | 4,140.48 mi (6,663.45 km) |
| Valongo to Okemos (Michigan) | 3,763.16 mi (6,056.22 km) |
| Valongo to Oklahoma City (Oklahoma) | 4,621.11 mi (7,436.95 km) |
| Valongo to Okmulgee (Oklahoma) | 4,545.78 mi (7,315.73 km) |
| Valongo to Olathe (Kansas) | 4,366.39 mi (7,027.02 km) |
| Valongo to Old Jamestown (Missouri) | 4,160.58 mi (6,695.81 km) |
| Valongo to Oldsmar (Florida) | 4,187.38 mi (6,738.94 km) |
| Valongo to Olean (New York) | 3,505.14 mi (5,640.99 km) |
| Valongo to Olive Branch (Mississippi) | 4,280.91 mi (6,889.45 km) |
| Valongo to Olivehurst (California) | 5,476.58 mi (8,813.71 km) |
| Valongo to Olney (Maryland) | 3,525.72 mi (5,674.10 km) |
| Valongo to Olympia (Washington) | 5,135.84 mi (8,265.34 km) |
