| Delaware to Mountain Brook (Alabama) | 511.39 mi (823.01 km) |
| Delaware to Mountain Home (Arkansas) | 573.36 mi (922.73 km) |
| Delaware to Mountain Home (Idaho) | 1,683.43 mi (2,709.22 km) |
| Delaware to Mountain House (California) | 2,056.05 mi (3,308.89 km) |
| Delaware to Mountain Park (Georgia) | 448.70 mi (722.12 km) |
| Delaware to Mountain Top (Pennsylvania) | 379.95 mi (611.48 km) |
| Delaware to Mountain View (California) | 2,091.57 mi (3,366.06 km) |
| Delaware to Mountlake Terrace (Washington) | 1,993.23 mi (3,207.79 km) |
| Delaware to Mukilteo (Washington) | 1,993.10 mi (3,207.59 km) |
| Delaware to Muncie (Indiana) | 122.55 mi (197.22 km) |
| Delaware to Mundelein (Illinois) | 290.60 mi (467.68 km) |
| Delaware to Munhall (Pennsylvania) | 167.30 mi (269.24 km) |
| Delaware to Munster (Indiana) | 247.14 mi (397.73 km) |
| Delaware to Murfreesboro (Tennessee) | 356.18 mi (573.22 km) |
| Delaware to Murphy (Texas) | 901.19 mi (1,450.33 km) |
