| Potters Bar to Marshall (Minnesota) | 4,116.68 mi (6,625.16 km) |
| Potters Bar to Marshall (Missouri) | 4,282.48 mi (6,891.98 km) |
| Potters Bar to Marshall (Texas) | 4,657.75 mi (7,495.93 km) |
| Potters Bar to Marshalltown (Iowa) | 4,129.23 mi (6,645.36 km) |
| Potters Bar to Marshfield (Wisconsin) | 3,904.86 mi (6,284.27 km) |
| Potters Bar to Martha Lake (Washington) | 4,756.00 mi (7,654.05 km) |
| Potters Bar to Martin (Tennessee) | 4,251.69 mi (6,842.44 km) |
| Potters Bar to Martinez (California) | 5,320.86 mi (8,563.09 km) |
| Potters Bar to Martinez (Georgia) | 4,117.92 mi (6,627.15 km) |
| Potters Bar to Martinsburg (West Virginia) | 3,671.45 mi (5,908.63 km) |
| Potters Bar to Martinsville (Indiana) | 4,008.93 mi (6,451.74 km) |
| Potters Bar to Martinsville (New Jersey) | 3,482.73 mi (5,604.92 km) |
| Potters Bar to Martinsville (Virginia) | 3,875.69 mi (6,237.32 km) |
| Potters Bar to Maryland City (Maryland) | 3,640.01 mi (5,858.04 km) |
| Potters Bar to Maryland Heights (Missouri) | 4,198.42 mi (6,756.70 km) |
