| Forest Grove to Monticello (Minnesota) | 1,413.79 mi (2,275.27 km) |
| Forest Grove to Montrose (Colorado) | 920.11 mi (1,480.78 km) |
| Forest Grove to Moody (Alabama) | 2,094.53 mi (3,370.83 km) |
| Forest Grove to Moore (Oklahoma) | 1,511.90 mi (2,433.17 km) |
| Forest Grove to Moorestown-Lenola (New Jersey) | 2,435.69 mi (3,919.87 km) |
| Forest Grove to Mooresville (North Carolina) | 2,293.98 mi (3,691.81 km) |
| Forest Grove to Moorhead (Minnesota) | 1,258.33 mi (2,025.08 km) |
| Forest Grove to Moorpark (California) | 807.93 mi (1,300.24 km) |
| Forest Grove to Moraga (California) | 533.09 mi (857.93 km) |
| Forest Grove to Moreno Valley (California) | 860.10 mi (1,384.19 km) |
| Forest Grove to Morgan City (Louisiana) | 2,040.19 mi (3,283.36 km) |
| Forest Grove to Morgan Hill (California) | 584.77 mi (941.09 km) |
| Forest Grove to Morganton (North Carolina) | 2,246.26 mi (3,615.01 km) |
| Forest Grove to Morgantown (West Virginia) | 2,205.85 mi (3,549.97 km) |
| Forest Grove to Morris (Illinois) | 1,749.00 mi (2,814.74 km) |
