| Penafiel to Madison (New Jersey) | 3,361.30 mi (5,409.49 km) |
| Penafiel to Madison (Wisconsin) | 3,984.13 mi (6,411.84 km) |
| Penafiel to Madison Heights (Michigan) | 3,718.45 mi (5,984.27 km) |
| Penafiel to Madison Heights (Virginia) | 3,686.85 mi (5,933.42 km) |
| Penafiel to Madisonville (Kentucky) | 4,093.00 mi (6,587.05 km) |
| Penafiel to Magalia (California) | 5,449.09 mi (8,769.47 km) |
| Penafiel to Magna (Utah) | 5,039.24 mi (8,109.87 km) |
| Penafiel to Magnolia (Arkansas) | 4,515.94 mi (7,267.71 km) |
| Penafiel to Maili (Hawaii) | 7,699.07 mi (12,390.46 km) |
| Penafiel to Maitland (Florida) | 4,110.09 mi (6,614.55 km) |
| Penafiel to Makakilo (Hawaii) | 7,700.18 mi (12,392.24 km) |
| Penafiel to Malden (Massachusetts) | 3,156.96 mi (5,080.64 km) |
| Penafiel to Malibu (California) | 5,620.75 mi (9,045.73 km) |
| Penafiel to Maltby (Washington) | 5,078.64 mi (8,173.28 km) |
| Penafiel to Malvern (Arkansas) | 4,454.14 mi (7,168.24 km) |
