| Idanha-a-Nova to Mountain Brook (Alabama) | 4,279.00 mi (6,886.38 km) |
| Idanha-a-Nova to Mountain Home (Arkansas) | 4,448.12 mi (7,158.55 km) |
| Idanha-a-Nova to Mountain Home (Idaho) | 5,171.26 mi (8,322.34 km) |
| Idanha-a-Nova to Mountain House (California) | 5,648.81 mi (9,090.89 km) |
| Idanha-a-Nova to Mountain Park (Georgia) | 4,137.43 mi (6,658.56 km) |
| Idanha-a-Nova to Mountain Top (Pennsylvania) | 3,508.95 mi (5,647.11 km) |
| Idanha-a-Nova to Mountain View (California) | 5,687.44 mi (9,153.06 km) |
| Idanha-a-Nova to Mountlake Terrace (Washington) | 5,189.76 mi (8,352.11 km) |
| Idanha-a-Nova to Mukilteo (Washington) | 5,183.98 mi (8,342.80 km) |
| Idanha-a-Nova to Muncie (Indiana) | 3,986.72 mi (6,416.00 km) |
| Idanha-a-Nova to Mundelein (Illinois) | 4,041.64 mi (6,504.39 km) |
| Idanha-a-Nova to Munhall (Pennsylvania) | 3,720.91 mi (5,988.22 km) |
| Idanha-a-Nova to Munster (Indiana) | 4,041.57 mi (6,504.27 km) |
| Idanha-a-Nova to Murfreesboro (Tennessee) | 4,179.73 mi (6,726.63 km) |
| Idanha-a-Nova to Murphy (Texas) | 4,774.74 mi (7,684.20 km) |
