| Grass Valley to Madison (New Jersey) | 2,441.56 mi (3,929.31 km) |
| Grass Valley to Madison (Wisconsin) | 1,658.36 mi (2,668.88 km) |
| Grass Valley to Madison Heights (Michigan) | 1,979.17 mi (3,185.17 km) |
| Grass Valley to Madison Heights (Virginia) | 2,256.25 mi (3,631.09 km) |
| Grass Valley to Madisonville (Kentucky) | 1,813.81 mi (2,919.05 km) |
| Grass Valley to Magalia (California) | 50.89 mi (81.90 km) |
| Grass Valley to Magna (Utah) | 482.34 mi (776.25 km) |
| Grass Valley to Magnolia (Arkansas) | 1,596.97 mi (2,570.08 km) |
| Grass Valley to Maili (Hawaii) | 2,507.92 mi (4,036.10 km) |
| Grass Valley to Maitland (Florida) | 2,368.47 mi (3,811.69 km) |
| Grass Valley to Makakilo (Hawaii) | 2,505.71 mi (4,032.55 km) |
| Grass Valley to Malden (Massachusetts) | 2,585.32 mi (4,160.68 km) |
| Grass Valley to Malibu (California) | 379.76 mi (611.17 km) |
| Grass Valley to Maltby (Washington) | 595.07 mi (957.67 km) |
| Grass Valley to Malvern (Arkansas) | 1,590.65 mi (2,559.90 km) |
