| Portimao to Madison (New Jersey) | 3,464.26 mi (5,575.18 km) |
| Portimao to Madison (Wisconsin) | 4,123.11 mi (6,635.50 km) |
| Portimao to Madison Heights (Michigan) | 3,844.63 mi (6,187.33 km) |
| Portimao to Madison Heights (Virginia) | 3,780.39 mi (6,083.94 km) |
| Portimao to Madisonville (Kentucky) | 4,202.48 mi (6,763.24 km) |
| Portimao to Magalia (California) | 5,635.48 mi (9,069.43 km) |
| Portimao to Magna (Utah) | 5,209.96 mi (8,384.62 km) |
| Portimao to Magnolia (Arkansas) | 4,619.65 mi (7,434.61 km) |
| Portimao to Maili (Hawaii) | 7,933.96 mi (12,768.48 km) |
| Portimao to Maitland (Florida) | 4,164.80 mi (6,702.60 km) |
| Portimao to Makakilo (Hawaii) | 7,934.77 mi (12,769.79 km) |
| Portimao to Malden (Massachusetts) | 3,264.40 mi (5,253.55 km) |
| Portimao to Malibu (California) | 5,784.77 mi (9,309.69 km) |
| Portimao to Maltby (Washington) | 5,286.73 mi (8,508.17 km) |
| Portimao to Malvern (Arkansas) | 4,561.59 mi (7,341.17 km) |
