| Silver Spring to Maryland Heights (Missouri) | 723.46 mi (1,164.29 km) |
| Silver Spring to Marysville (California) | 2,365.47 mi (3,806.86 km) |
| Silver Spring to Marysville (Ohio) | 347.76 mi (559.66 km) |
| Silver Spring to Marysville (Washington) | 2,309.91 mi (3,717.44 km) |
| Silver Spring to Maryville (Missouri) | 952.13 mi (1,532.31 km) |
| Silver Spring to Maryville (Tennessee) | 443.17 mi (713.22 km) |
| Silver Spring to Mason (Ohio) | 390.65 mi (628.70 km) |
| Silver Spring to Mason City (Iowa) | 888.33 mi (1,429.62 km) |
| Silver Spring to Massapequa (New York) | 220.67 mi (355.14 km) |
| Silver Spring to Massapequa Park (New York) | 222.11 mi (357.46 km) |
| Silver Spring to Massillon (Ohio) | 268.59 mi (432.26 km) |
| Silver Spring to Mastic (New York) | 253.92 mi (408.65 km) |
| Silver Spring to Mastic Beach (New York) | 253.04 mi (407.23 km) |
| Silver Spring to Matteson (Illinois) | 591.04 mi (951.19 km) |
| Silver Spring to Matthews (North Carolina) | 336.63 mi (541.76 km) |
