| Penafiel to Marshall (Minnesota) | 4,215.23 mi (6,783.76 km) |
| Penafiel to Marshall (Missouri) | 4,293.43 mi (6,909.61 km) |
| Penafiel to Marshall (Texas) | 4,598.74 mi (7,400.96 km) |
| Penafiel to Marshalltown (Iowa) | 4,175.42 mi (6,719.69 km) |
| Penafiel to Marshfield (Wisconsin) | 3,966.90 mi (6,384.10 km) |
| Penafiel to Martha Lake (Washington) | 5,080.73 mi (8,176.65 km) |
| Penafiel to Martin (Tennessee) | 4,192.62 mi (6,747.37 km) |
| Penafiel to Martinez (California) | 5,558.14 mi (8,944.97 km) |
| Penafiel to Martinez (Georgia) | 3,966.59 mi (6,383.62 km) |
| Penafiel to Martinsburg (West Virginia) | 3,569.77 mi (5,744.99 km) |
| Penafiel to Martinsville (Indiana) | 3,971.20 mi (6,391.03 km) |
| Penafiel to Martinsville (New Jersey) | 3,373.21 mi (5,428.65 km) |
| Penafiel to Martinsville (Virginia) | 3,748.62 mi (6,032.82 km) |
| Penafiel to Maryland City (Maryland) | 3,524.05 mi (5,671.42 km) |
| Penafiel to Maryland Heights (Missouri) | 4,182.90 mi (6,731.73 km) |
