| Penafiel to Medford (New York) | 3,290.80 mi (5,296.04 km) |
| Penafiel to Medford (Oregon) | 5,370.96 mi (8,643.73 km) |
| Penafiel to Medina (Ohio) | 3,703.06 mi (5,959.49 km) |
| Penafiel to Medulla (Florida) | 4,166.94 mi (6,706.04 km) |
| Penafiel to Mehlville (Missouri) | 4,183.27 mi (6,732.32 km) |
| Penafiel to Melbourne (Florida) | 4,093.90 mi (6,588.50 km) |
| Penafiel to Melissa (Texas) | 4,673.05 mi (7,520.54 km) |
| Penafiel to Melrose (Massachusetts) | 3,156.42 mi (5,079.76 km) |
| Penafiel to Melrose Park (Illinois) | 3,954.29 mi (6,363.81 km) |
| Penafiel to Melville (New York) | 3,312.23 mi (5,330.51 km) |
| Penafiel to Melvindale (Michigan) | 3,728.76 mi (6,000.86 km) |
| Penafiel to Memphis (Florida) | 4,212.02 mi (6,778.59 km) |
| Penafiel to Memphis (Tennessee) | 4,290.78 mi (6,905.34 km) |
| Penafiel to Menasha (Wisconsin) | 3,904.96 mi (6,284.43 km) |
| Penafiel to Mendota (California) | 5,552.20 mi (8,935.40 km) |
