| Amposta to Marshall (Minnesota) | 4,603.54 mi (7,408.68 km) |
| Amposta to Marshall (Missouri) | 4,706.53 mi (7,574.42 km) |
| Amposta to Marshall (Texas) | 5,029.37 mi (8,093.98 km) |
| Amposta to Marshalltown (Iowa) | 4,578.61 mi (7,368.56 km) |
| Amposta to Marshfield (Wisconsin) | 4,364.43 mi (7,023.87 km) |
| Amposta to Martha Lake (Washington) | 5,389.41 mi (8,673.43 km) |
| Amposta to Martin (Tennessee) | 4,621.47 mi (7,437.54 km) |
| Amposta to Martinez (California) | 5,905.86 mi (9,504.56 km) |
| Amposta to Martinez (Georgia) | 4,411.63 mi (7,099.83 km) |
| Amposta to Martinsburg (West Virginia) | 4,004.22 mi (6,444.16 km) |
| Amposta to Martinsville (Indiana) | 4,394.27 mi (7,071.90 km) |
| Amposta to Martinsville (New Jersey) | 3,808.10 mi (6,128.55 km) |
| Amposta to Martinsville (Virginia) | 4,188.67 mi (6,741.01 km) |
| Amposta to Maryland City (Maryland) | 3,960.99 mi (6,374.60 km) |
| Amposta to Maryland Heights (Missouri) | 4,601.91 mi (7,406.06 km) |
