| Barcelos to Marshall (Minnesota) | 4,188.75 mi (6,741.15 km) |
| Barcelos to Marshall (Missouri) | 4,267.95 mi (6,868.61 km) |
| Barcelos to Marshall (Texas) | 4,574.38 mi (7,361.76 km) |
| Barcelos to Marshalltown (Iowa) | 4,149.48 mi (6,677.94 km) |
| Barcelos to Marshfield (Wisconsin) | 3,940.71 mi (6,341.96 km) |
| Barcelos to Martha Lake (Washington) | 5,053.20 mi (8,132.33 km) |
| Barcelos to Martin (Tennessee) | 4,168.09 mi (6,707.90 km) |
| Barcelos to Martinez (California) | 5,530.89 mi (8,901.11 km) |
| Barcelos to Martinez (Georgia) | 3,943.56 mi (6,346.55 km) |
| Barcelos to Martinsburg (West Virginia) | 3,545.63 mi (5,706.15 km) |
| Barcelos to Martinsville (Indiana) | 3,946.26 mi (6,350.90 km) |
| Barcelos to Martinsville (New Jersey) | 3,349.09 mi (5,389.84 km) |
| Barcelos to Martinsville (Virginia) | 3,725.02 mi (5,994.84 km) |
| Barcelos to Maryland City (Maryland) | 3,500.13 mi (5,632.92 km) |
| Barcelos to Maryland Heights (Missouri) | 4,157.74 mi (6,691.23 km) |
