| Forest Grove to Marshall (Minnesota) | 1,330.68 mi (2,141.53 km) |
| Forest Grove to Marshall (Missouri) | 1,580.52 mi (2,543.59 km) |
| Forest Grove to Marshall (Texas) | 1,771.20 mi (2,850.48 km) |
| Forest Grove to Marshalltown (Iowa) | 1,516.66 mi (2,440.83 km) |
| Forest Grove to Marshfield (Wisconsin) | 1,596.34 mi (2,569.06 km) |
| Forest Grove to Martha Lake (Washington) | 165.84 mi (266.89 km) |
| Forest Grove to Martin (Tennessee) | 1,880.66 mi (3,026.63 km) |
| Forest Grove to Martinez (California) | 522.49 mi (840.86 km) |
| Forest Grove to Martinez (Georgia) | 2,308.13 mi (3,714.58 km) |
| Forest Grove to Martinsburg (West Virginia) | 2,306.03 mi (3,711.19 km) |
| Forest Grove to Martinsville (Indiana) | 1,898.86 mi (3,055.91 km) |
| Forest Grove to Martinsville (New Jersey) | 2,435.75 mi (3,919.95 km) |
| Forest Grove to Martinsville (Virginia) | 2,302.83 mi (3,706.05 km) |
| Forest Grove to Maryland City (Maryland) | 2,373.20 mi (3,819.30 km) |
| Forest Grove to Maryland Heights (Missouri) | 1,724.08 mi (2,774.63 km) |
