| Crystal to Morristown (New Jersey) | 996.70 mi (1,604.04 km) |
| Crystal to Morristown (Tennessee) | 805.46 mi (1,296.26 km) |
| Crystal to Morrisville (North Carolina) | 991.11 mi (1,595.03 km) |
| Crystal to Morro Bay (California) | 1,586.77 mi (2,553.65 km) |
| Crystal to Morton (Illinois) | 363.71 mi (585.33 km) |
| Crystal to Morton Grove (Illinois) | 347.26 mi (558.86 km) |
| Crystal to Moscow (Idaho) | 1,138.61 mi (1,832.41 km) |
| Crystal to Moses Lake (Washington) | 1,244.58 mi (2,002.96 km) |
| Crystal to Moss Bluff (Louisiana) | 1,018.04 mi (1,638.38 km) |
| Crystal to Moss Point (Mississippi) | 1,043.13 mi (1,678.75 km) |
| Crystal to Moultrie (Georgia) | 1,089.65 mi (1,753.62 km) |
| Crystal to Mounds View (Minnesota) | 8.84 mi (14.23 km) |
| Crystal to Mount Airy (North Carolina) | 888.00 mi (1,429.10 km) |
| Crystal to Mount Clemens (Michigan) | 548.42 mi (882.59 km) |
| Crystal to Mount Dora (Florida) | 1,291.44 mi (2,078.38 km) |
