| Portales to Mexborough | 4,808.73 mi (7,738.91 km) |
| Portales to Mickleover | 4,820.00 mi (7,757.03 km) |
| Portales to Middlesbrough | 4,772.99 mi (7,681.38 km) |
| Portales to Middleton | 4,774.65 mi (7,684.06 km) |
| Portales to Middlewich | 4,777.89 mi (7,689.27 km) |
| Portales to Midsomer Norton | 4,842.23 mi (7,792.81 km) |
| Portales to Mildenhall | 4,913.86 mi (7,908.10 km) |
| Portales to Milford Haven | 4,731.63 mi (7,614.82 km) |
| Portales to Mill Hill | 4,913.48 mi (7,907.49 km) |
| Portales to Milngavie | 4,621.41 mi (7,437.44 km) |
| Portales to Milnrow | 4,775.47 mi (7,685.38 km) |
| Portales to Milton | 4,793.60 mi (7,714.55 km) |
| Portales to Milton Keynes | 4,879.05 mi (7,852.07 km) |
| Portales to Minehead | 4,807.79 mi (7,737.40 km) |
| Portales to Minster | 4,958.65 mi (7,980.18 km) |
