| Pembroke Dock to Marshall (Minnesota) | 3,946.10 mi (6,350.64 km) |
| Pembroke Dock to Marshall (Missouri) | 4,101.14 mi (6,600.15 km) |
| Pembroke Dock to Marshall (Texas) | 4,469.85 mi (7,193.53 km) |
| Pembroke Dock to Marshalltown (Iowa) | 3,951.71 mi (6,359.66 km) |
| Pembroke Dock to Marshfield (Wisconsin) | 3,728.62 mi (6,000.64 km) |
| Pembroke Dock to Martha Lake (Washington) | 4,627.92 mi (7,447.92 km) |
| Pembroke Dock to Martin (Tennessee) | 4,062.85 mi (6,538.52 km) |
| Pembroke Dock to Martinez (California) | 5,176.99 mi (8,331.56 km) |
| Pembroke Dock to Martinez (Georgia) | 3,921.24 mi (6,310.62 km) |
| Pembroke Dock to Martinsburg (West Virginia) | 3,477.47 mi (5,596.44 km) |
| Pembroke Dock to Martinsville (Indiana) | 3,821.55 mi (6,150.20 km) |
| Pembroke Dock to Martinsville (New Jersey) | 3,287.68 mi (5,291.01 km) |
| Pembroke Dock to Martinsville (Virginia) | 3,680.24 mi (5,922.77 km) |
| Pembroke Dock to Maryland City (Maryland) | 3,444.86 mi (5,543.97 km) |
| Pembroke Dock to Maryland Heights (Missouri) | 4,013.88 mi (6,459.71 km) |
