| Silver Spring to Morris (Illinois) | 623.60 mi (1,003.58 km) |
| Silver Spring to Morristown (New Jersey) | 183.12 mi (294.71 km) |
| Silver Spring to Morristown (Tennessee) | 394.24 mi (634.47 km) |
| Silver Spring to Morrisville (North Carolina) | 240.32 mi (386.76 km) |
| Silver Spring to Morro Bay (California) | 2,402.30 mi (3,866.13 km) |
| Silver Spring to Morton (Illinois) | 669.32 mi (1,077.17 km) |
| Silver Spring to Morton Grove (Illinois) | 602.77 mi (970.06 km) |
| Silver Spring to Moscow (Idaho) | 2,069.58 mi (3,330.67 km) |
| Silver Spring to Moses Lake (Washington) | 2,176.91 mi (3,503.41 km) |
| Silver Spring to Moss Bluff (Louisiana) | 1,096.18 mi (1,764.13 km) |
| Silver Spring to Moss Point (Mississippi) | 880.98 mi (1,417.80 km) |
| Silver Spring to Moultrie (Georgia) | 662.38 mi (1,066.00 km) |
| Silver Spring to Mounds View (Minnesota) | 929.07 mi (1,495.20 km) |
| Silver Spring to Mount Airy (North Carolina) | 261.24 mi (420.43 km) |
| Silver Spring to Mount Clemens (Michigan) | 394.39 mi (634.71 km) |
