| Port Talbot to Marshall (Minnesota) | 3,991.53 mi (6,423.75 km) |
| Port Talbot to Marshall (Missouri) | 4,148.45 mi (6,676.29 km) |
| Port Talbot to Marshall (Texas) | 4,518.20 mi (7,271.34 km) |
| Port Talbot to Marshalltown (Iowa) | 3,998.37 mi (6,434.75 km) |
| Port Talbot to Marshfield (Wisconsin) | 3,775.04 mi (6,075.34 km) |
| Port Talbot to Martha Lake (Washington) | 4,665.00 mi (7,507.59 km) |
| Port Talbot to Martin (Tennessee) | 4,111.32 mi (6,616.53 km) |
| Port Talbot to Martinez (California) | 5,217.39 mi (8,396.57 km) |
| Port Talbot to Martinez (Georgia) | 3,970.68 mi (6,390.19 km) |
| Port Talbot to Martinsburg (West Virginia) | 3,526.61 mi (5,675.53 km) |
| Port Talbot to Martinsville (Indiana) | 3,869.80 mi (6,227.85 km) |
| Port Talbot to Martinsville (New Jersey) | 3,336.94 mi (5,370.29 km) |
| Port Talbot to Martinsville (Virginia) | 3,729.55 mi (6,002.13 km) |
| Port Talbot to Maryland City (Maryland) | 3,494.14 mi (5,623.27 km) |
| Port Talbot to Maryland Heights (Missouri) | 4,061.70 mi (6,536.68 km) |
