| Portage to Montgomeryville (Pennsylvania) | 554.09 mi (891.71 km) |
| Portage to Monticello (Minnesota) | 461.98 mi (743.49 km) |
| Portage to Montrose (Colorado) | 1,197.15 mi (1,926.63 km) |
| Portage to Moody (Alabama) | 596.34 mi (959.71 km) |
| Portage to Moore (Oklahoma) | 795.81 mi (1,280.73 km) |
| Portage to Moorestown-Lenola (New Jersey) | 574.10 mi (923.92 km) |
| Portage to Mooresville (North Carolina) | 523.76 mi (842.90 km) |
| Portage to Moorhead (Minnesota) | 636.20 mi (1,023.86 km) |
| Portage to Moorpark (California) | 1,873.77 mi (3,015.54 km) |
| Portage to Moraga (California) | 1,941.13 mi (3,123.95 km) |
| Portage to Moreno Valley (California) | 1,800.29 mi (2,897.29 km) |
| Portage to Morgan City (Louisiana) | 917.91 mi (1,477.23 km) |
| Portage to Morgan Hill (California) | 1,934.29 mi (3,112.94 km) |
| Portage to Morganton (North Carolina) | 492.65 mi (792.84 km) |
| Portage to Morgantown (West Virginia) | 343.64 mi (553.03 km) |
