| Penafiel to Merrick (New York) | 3,322.76 mi (5,347.46 km) |
| Penafiel to Merrifield (Virginia) | 3,552.09 mi (5,716.53 km) |
| Penafiel to Merrillville (Indiana) | 3,943.71 mi (6,346.79 km) |
| Penafiel to Merritt Island (Florida) | 4,086.50 mi (6,576.59 km) |
| Penafiel to Mesa (Arizona) | 5,353.53 mi (8,615.67 km) |
| Penafiel to Mesquite (Nevada) | 5,299.13 mi (8,528.13 km) |
| Penafiel to Mesquite (Texas) | 4,695.74 mi (7,557.06 km) |
| Penafiel to Metairie (Louisiana) | 4,497.10 mi (7,237.39 km) |
| Penafiel to Methuen Town (Massachusetts) | 3,155.81 mi (5,078.78 km) |
| Penafiel to Metuchen (New Jersey) | 3,364.69 mi (5,414.95 km) |
| Penafiel to Mexico (Missouri) | 4,231.10 mi (6,809.30 km) |
| Penafiel to Miami (Florida) | 4,160.56 mi (6,695.78 km) |
| Penafiel to Miami (Oklahoma) | 4,453.29 mi (7,166.87 km) |
| Penafiel to Miami Beach (Florida) | 4,155.65 mi (6,687.88 km) |
| Penafiel to Miami Gardens (Florida) | 4,156.00 mi (6,688.43 km) |
