| Santo Tirso to Norton Shores (Michigan) | 3,828.63 mi (6,161.58 km) |
| Santo Tirso to Norwalk (California) | 5,585.45 mi (8,988.91 km) |
| Santo Tirso to Norwalk (Connecticut) | 3,291.72 mi (5,297.51 km) |
| Santo Tirso to Norwalk (Iowa) | 4,216.75 mi (6,786.21 km) |
| Santo Tirso to Norwalk (Ohio) | 3,721.74 mi (5,989.56 km) |
| Santo Tirso to Norwich (Connecticut) | 3,216.31 mi (5,176.15 km) |
| Santo Tirso to Norwood (Ohio) | 3,874.71 mi (6,235.74 km) |
| Santo Tirso to Novato (California) | 5,557.30 mi (8,943.61 km) |
| Santo Tirso to Novi (Michigan) | 3,724.47 mi (5,993.96 km) |
| Santo Tirso to O'Fallon (Illinois) | 4,148.90 mi (6,677.01 km) |
| Santo Tirso to O'Fallon (Missouri) | 4,179.25 mi (6,725.85 km) |
| Santo Tirso to Oak Creek (Wisconsin) | 3,911.54 mi (6,295.01 km) |
| Santo Tirso to Oak Forest (Illinois) | 3,946.48 mi (6,351.25 km) |
| Santo Tirso to Oak Grove (Oregon) | 5,199.37 mi (8,367.58 km) |
| Santo Tirso to Oak Grove (South Carolina) | 3,891.71 mi (6,263.10 km) |
