| Riverdale to Maryland Heights (Missouri) | 491.05 mi (790.27 km) |
| Riverdale to Marysville (California) | 2,089.15 mi (3,362.17 km) |
| Riverdale to Marysville (Ohio) | 464.07 mi (746.85 km) |
| Riverdale to Marysville (Washington) | 2,184.48 mi (3,515.58 km) |
| Riverdale to Maryville (Missouri) | 742.66 mi (1,195.19 km) |
| Riverdale to Maryville (Tennessee) | 152.80 mi (245.91 km) |
| Riverdale to Mason (Ohio) | 400.32 mi (644.25 km) |
| Riverdale to Mason City (Iowa) | 814.65 mi (1,311.05 km) |
| Riverdale to Massapequa (New York) | 776.22 mi (1,249.21 km) |
| Riverdale to Massapequa Park (New York) | 777.69 mi (1,251.57 km) |
| Riverdale to Massillon (Ohio) | 523.43 mi (842.38 km) |
| Riverdale to Mastic (New York) | 808.53 mi (1,301.20 km) |
| Riverdale to Mastic Beach (New York) | 807.31 mi (1,299.25 km) |
| Riverdale to Matteson (Illinois) | 578.49 mi (930.99 km) |
| Riverdale to Matthews (North Carolina) | 236.86 mi (381.19 km) |
