| Idanha-a-Nova to Marysville (California) | 5,582.64 mi (8,984.39 km) |
| Idanha-a-Nova to Marysville (Ohio) | 3,890.06 mi (6,260.44 km) |
| Idanha-a-Nova to Marysville (Washington) | 5,170.85 mi (8,321.69 km) |
| Idanha-a-Nova to Maryville (Missouri) | 4,417.01 mi (7,108.50 km) |
| Idanha-a-Nova to Maryville (Tennessee) | 4,064.72 mi (6,541.53 km) |
| Idanha-a-Nova to Mason (Ohio) | 3,961.94 mi (6,376.12 km) |
| Idanha-a-Nova to Mason City (Iowa) | 4,244.56 mi (6,830.95 km) |
| Idanha-a-Nova to Massapequa (New York) | 3,403.80 mi (5,477.89 km) |
| Idanha-a-Nova to Massapequa Park (New York) | 3,402.41 mi (5,475.66 km) |
| Idanha-a-Nova to Massillon (Ohio) | 3,786.61 mi (6,093.96 km) |
| Idanha-a-Nova to Mastic (New York) | 3,369.90 mi (5,423.32 km) |
| Idanha-a-Nova to Mastic Beach (New York) | 3,370.47 mi (5,424.25 km) |
| Idanha-a-Nova to Matteson (Illinois) | 4,053.89 mi (6,524.10 km) |
| Idanha-a-Nova to Matthews (North Carolina) | 3,924.49 mi (6,315.85 km) |
| Idanha-a-Nova to Mattoon (Illinois) | 4,149.01 mi (6,677.19 km) |
