| Santo Tirso to Portage (Michigan) | 3,829.00 mi (6,162.18 km) |
| Santo Tirso to Portage (Wisconsin) | 3,959.38 mi (6,372.01 km) |
| Santo Tirso to Portales (New Mexico) | 4,937.12 mi (7,945.53 km) |
| Santo Tirso to Porterville (California) | 5,519.77 mi (8,883.22 km) |
| Santo Tirso to Portland (Maine) | 3,077.86 mi (4,953.33 km) |
| Santo Tirso to Portland (Oregon) | 5,193.97 mi (8,358.88 km) |
| Santo Tirso to Portland (Tennessee) | 4,060.71 mi (6,535.08 km) |
| Santo Tirso to Portland (Texas) | 4,919.84 mi (7,917.72 km) |
| Santo Tirso to Portsmouth (New Hampshire) | 3,116.49 mi (5,015.51 km) |
| Santo Tirso to Portsmouth (Ohio) | 3,816.80 mi (6,142.54 km) |
| Santo Tirso to Portsmouth (Virginia) | 3,559.69 mi (5,728.76 km) |
| Santo Tirso to Post Falls (Idaho) | 4,892.93 mi (7,874.42 km) |
| Santo Tirso to Potomac (Maryland) | 3,533.42 mi (5,686.49 km) |
| Santo Tirso to Potomac Park (California) | 5,550.93 mi (8,933.35 km) |
| Santo Tirso to Pottstown (Pennsylvania) | 3,422.36 mi (5,507.75 km) |
