| Penafiel to Mendota Heights (Minnesota) | 4,087.52 mi (6,578.23 km) |
| Penafiel to Menifee (California) | 5,571.63 mi (8,966.67 km) |
| Penafiel to Menlo Park (California) | 5,586.34 mi (8,990.35 km) |
| Penafiel to Menomonee Falls (Wisconsin) | 3,925.44 mi (6,317.39 km) |
| Penafiel to Menomonie (Wisconsin) | 4,034.48 mi (6,492.87 km) |
| Penafiel to Mentor (Ohio) | 3,661.46 mi (5,892.55 km) |
| Penafiel to Mequon (Wisconsin) | 3,916.47 mi (6,302.95 km) |
| Penafiel to Merced (California) | 5,529.24 mi (8,898.45 km) |
| Penafiel to Mercedes (Texas) | 5,033.99 mi (8,101.42 km) |
| Penafiel to Mercer Island (Washington) | 5,094.29 mi (8,198.47 km) |
| Penafiel to Mercerville (New Jersey) | 3,389.10 mi (5,454.23 km) |
| Penafiel to Meriden (Connecticut) | 3,262.61 mi (5,250.67 km) |
| Penafiel to Meridian (Idaho) | 5,074.13 mi (8,166.02 km) |
| Penafiel to Meridian (Mississippi) | 4,331.80 mi (6,971.35 km) |
| Penafiel to Merriam (Kansas) | 4,364.60 mi (7,024.14 km) |
