| Portugalete to Oxford (Alabama) | 4,348.10 mi (6,997.60 km) |
| Portugalete to Oxford (Mississippi) | 4,486.12 mi (7,219.71 km) |
| Portugalete to Oxford (Ohio) | 4,066.35 mi (6,544.15 km) |
| Portugalete to Oxnard (California) | 5,741.14 mi (9,239.47 km) |
| Portugalete to Oxon Hill (Maryland) | 3,737.14 mi (6,014.34 km) |
| Portugalete to Ozark (Alabama) | 4,425.35 mi (7,121.92 km) |
| Portugalete to Ozark (Missouri) | 4,540.61 mi (7,307.41 km) |
| Portugalete to Pace (Florida) | 4,531.78 mi (7,293.20 km) |
| Portugalete to Pacific Grove (California) | 5,714.42 mi (9,196.47 km) |
| Portugalete to Pacifica (California) | 5,681.27 mi (9,143.11 km) |
| Portugalete to Paducah (Kentucky) | 4,335.71 mi (6,977.65 km) |
| Portugalete to Pahrump (Nevada) | 5,516.80 mi (8,878.43 km) |
| Portugalete to Painesville (Ohio) | 3,830.23 mi (6,164.17 km) |
| Portugalete to Palatine (Illinois) | 4,113.85 mi (6,620.60 km) |
| Portugalete to Palatka (Florida) | 4,309.12 mi (6,934.85 km) |
