| Port Talbot to Mountain Brook (Alabama) | 4,163.77 mi (6,700.95 km) |
| Port Talbot to Mountain Home (Arkansas) | 4,251.58 mi (6,842.26 km) |
| Port Talbot to Mountain Home (Idaho) | 4,732.33 mi (7,615.95 km) |
| Port Talbot to Mountain House (California) | 5,212.90 mi (8,389.36 km) |
| Port Talbot to Mountain Park (Georgia) | 4,039.27 mi (6,500.58 km) |
| Port Talbot to Mountain Top (Pennsylvania) | 3,368.80 mi (5,421.57 km) |
| Port Talbot to Mountain View (California) | 5,250.39 mi (8,449.69 km) |
| Port Talbot to Mountlake Terrace (Washington) | 4,670.16 mi (7,515.90 km) |
| Port Talbot to Mukilteo (Washington) | 4,663.50 mi (7,505.18 km) |
| Port Talbot to Muncie (Indiana) | 3,792.69 mi (6,103.75 km) |
| Port Talbot to Mundelein (Illinois) | 3,800.87 mi (6,116.91 km) |
| Port Talbot to Munhall (Pennsylvania) | 3,563.70 mi (5,735.22 km) |
| Port Talbot to Munster (Indiana) | 3,814.10 mi (6,138.20 km) |
| Port Talbot to Murfreesboro (Tennessee) | 4,036.60 mi (6,496.27 km) |
| Port Talbot to Murphy (Texas) | 4,583.11 mi (7,375.81 km) |
