| Grass Valley to Mendota Heights (Minnesota) | 1,476.26 mi (2,375.81 km) |
| Grass Valley to Menifee (California) | 438.44 mi (705.60 km) |
| Grass Valley to Menlo Park (California) | 135.50 mi (218.06 km) |
| Grass Valley to Menomonee Falls (Wisconsin) | 1,722.24 mi (2,771.68 km) |
| Grass Valley to Menomonie (Wisconsin) | 1,536.37 mi (2,472.54 km) |
| Grass Valley to Mentor (Ohio) | 2,076.42 mi (3,341.67 km) |
| Grass Valley to Mequon (Wisconsin) | 1,729.00 mi (2,782.55 km) |
| Grass Valley to Merced (California) | 136.14 mi (219.10 km) |
| Grass Valley to Mercedes (Texas) | 1,612.83 mi (2,595.59 km) |
| Grass Valley to Mercer Island (Washington) | 579.41 mi (932.47 km) |
| Grass Valley to Mercerville (New Jersey) | 2,435.93 mi (3,920.25 km) |
| Grass Valley to Meriden (Connecticut) | 2,511.74 mi (4,042.25 km) |
| Grass Valley to Meridian (Idaho) | 387.25 mi (623.22 km) |
| Grass Valley to Meridian (Mississippi) | 1,863.20 mi (2,998.52 km) |
| Grass Valley to Merriam (Kansas) | 1,407.98 mi (2,265.92 km) |
