| Pontneddfechan to Marshall (Minnesota) | 3,993.03 mi (6,426.15 km) |
| Pontneddfechan to Marshall (Missouri) | 4,151.47 mi (6,681.14 km) |
| Pontneddfechan to Marshall (Texas) | 4,522.30 mi (7,277.94 km) |
| Pontneddfechan to Marshalltown (Iowa) | 4,000.81 mi (6,438.68 km) |
| Pontneddfechan to Marshfield (Wisconsin) | 3,777.30 mi (6,078.97 km) |
| Pontneddfechan to Martha Lake (Washington) | 4,661.99 mi (7,502.76 km) |
| Pontneddfechan to Martin (Tennessee) | 4,115.58 mi (6,623.39 km) |
| Pontneddfechan to Martinez (California) | 5,215.90 mi (8,394.18 km) |
| Pontneddfechan to Martinez (Georgia) | 3,976.57 mi (6,399.68 km) |
| Pontneddfechan to Martinsburg (West Virginia) | 3,531.87 mi (5,683.99 km) |
| Pontneddfechan to Martinsville (Indiana) | 3,873.79 mi (6,234.27 km) |
| Pontneddfechan to Martinsville (New Jersey) | 3,342.44 mi (5,379.13 km) |
| Pontneddfechan to Martinsville (Virginia) | 3,735.15 mi (6,011.14 km) |
| Pontneddfechan to Maryland City (Maryland) | 3,499.66 mi (5,632.16 km) |
| Pontneddfechan to Maryland Heights (Missouri) | 4,065.22 mi (6,542.34 km) |
