| Port Talbot to Marysville (California) | 5,135.46 mi (8,264.72 km) |
| Port Talbot to Marysville (Ohio) | 3,710.32 mi (5,971.18 km) |
| Port Talbot to Marysville (Washington) | 4,649.92 mi (7,483.33 km) |
| Port Talbot to Maryville (Missouri) | 4,152.87 mi (6,683.39 km) |
| Port Talbot to Maryville (Tennessee) | 3,942.40 mi (6,344.68 km) |
| Port Talbot to Mason (Ohio) | 3,787.58 mi (6,095.52 km) |
| Port Talbot to Mason City (Iowa) | 3,957.21 mi (6,368.51 km) |
| Port Talbot to Massapequa (New York) | 3,288.59 mi (5,292.48 km) |
| Port Talbot to Massapequa Park (New York) | 3,287.13 mi (5,290.12 km) |
| Port Talbot to Massillon (Ohio) | 3,611.99 mi (5,812.93 km) |
| Port Talbot to Mastic (New York) | 3,256.82 mi (5,241.34 km) |
| Port Talbot to Mastic Beach (New York) | 3,258.19 mi (5,243.55 km) |
| Port Talbot to Matteson (Illinois) | 3,825.24 mi (6,156.13 km) |
| Port Talbot to Matthews (North Carolina) | 3,837.27 mi (6,175.49 km) |
| Port Talbot to Mattoon (Illinois) | 3,943.13 mi (6,345.86 km) |
