| Povoa de Lanhoso to Oakley (California) | 5,526.13 mi (8,893.45 km) |
| Povoa de Lanhoso to Oakton (Virginia) | 3,546.15 mi (5,706.98 km) |
| Povoa de Lanhoso to Oakville (Missouri) | 4,174.92 mi (6,718.89 km) |
| Povoa de Lanhoso to Oatfield (Oregon) | 5,192.89 mi (8,357.15 km) |
| Povoa de Lanhoso to Ocala (Florida) | 4,123.65 mi (6,636.37 km) |
| Povoa de Lanhoso to Ocean Acres (New Jersey) | 3,375.03 mi (5,431.59 km) |
| Povoa de Lanhoso to Ocean City (New Jersey) | 3,404.44 mi (5,478.92 km) |
| Povoa de Lanhoso to Ocean Pines (Maryland) | 3,457.42 mi (5,564.19 km) |
| Povoa de Lanhoso to Ocean Pointe (Hawaii) | 7,680.54 mi (12,360.64 km) |
| Povoa de Lanhoso to Ocean Springs (Mississippi) | 4,405.47 mi (7,089.91 km) |
| Povoa de Lanhoso to Oceanside (California) | 5,584.88 mi (8,987.99 km) |
| Povoa de Lanhoso to Oceanside (New York) | 3,318.74 mi (5,340.99 km) |
| Povoa de Lanhoso to Ocoee (Florida) | 4,115.50 mi (6,623.26 km) |
| Povoa de Lanhoso to Oconomowoc (Wisconsin) | 3,931.59 mi (6,327.28 km) |
| Povoa de Lanhoso to Odenton (Maryland) | 3,511.45 mi (5,651.14 km) |
