| Santo Tirso to Oxford (Alabama) | 4,137.07 mi (6,657.97 km) |
| Santo Tirso to Oxford (Mississippi) | 4,285.81 mi (6,897.34 km) |
| Santo Tirso to Oxford (Ohio) | 3,876.95 mi (6,239.36 km) |
| Santo Tirso to Oxnard (California) | 5,616.30 mi (9,038.57 km) |
| Santo Tirso to Oxon Hill (Maryland) | 3,529.57 mi (5,680.29 km) |
| Santo Tirso to Ozark (Alabama) | 4,206.03 mi (6,768.95 km) |
| Santo Tirso to Ozark (Missouri) | 4,358.82 mi (7,014.85 km) |
| Santo Tirso to Pace (Florida) | 4,312.77 mi (6,940.73 km) |
| Santo Tirso to Pacific Grove (California) | 5,606.23 mi (9,022.35 km) |
| Santo Tirso to Pacifica (California) | 5,578.17 mi (8,977.20 km) |
| Santo Tirso to Paducah (Kentucky) | 4,144.11 mi (6,669.30 km) |
| Santo Tirso to Pahrump (Nevada) | 5,389.67 mi (8,673.83 km) |
| Santo Tirso to Painesville (Ohio) | 3,644.17 mi (5,864.72 km) |
| Santo Tirso to Palatine (Illinois) | 3,942.75 mi (6,345.24 km) |
| Santo Tirso to Palatka (Florida) | 4,075.37 mi (6,558.68 km) |
