| Valongo to Oakley (California) | 5,535.21 mi (8,908.06 km) |
| Valongo to Oakton (Virginia) | 3,544.60 mi (5,704.49 km) |
| Valongo to Oakville (Missouri) | 4,176.14 mi (6,720.84 km) |
| Valongo to Oatfield (Oregon) | 5,204.74 mi (8,376.21 km) |
| Valongo to Ocala (Florida) | 4,118.18 mi (6,627.56 km) |
| Valongo to Ocean Acres (New Jersey) | 3,373.33 mi (5,428.85 km) |
| Valongo to Ocean City (New Jersey) | 3,402.53 mi (5,475.84 km) |
| Valongo to Ocean Pines (Maryland) | 3,455.10 mi (5,560.44 km) |
| Valongo to Ocean Pointe (Hawaii) | 7,697.29 mi (12,387.59 km) |
| Valongo to Ocean Springs (Mississippi) | 4,402.41 mi (7,084.99 km) |
| Valongo to Oceanside (California) | 5,591.03 mi (8,997.89 km) |
| Valongo to Oceanside (New York) | 3,317.45 mi (5,338.92 km) |
| Valongo to Ocoee (Florida) | 4,109.57 mi (6,613.71 km) |
| Valongo to Oconomowoc (Wisconsin) | 3,934.79 mi (6,332.44 km) |
| Valongo to Odenton (Maryland) | 3,509.87 mi (5,648.60 km) |
