| Middletown to Mountain Brook (Alabama) | 436.05 mi (701.75 km) |
| Middletown to Mountain Home (Arkansas) | 488.53 mi (786.22 km) |
| Middletown to Mountain Home (Idaho) | 1,635.33 mi (2,631.81 km) |
| Middletown to Mountain House (California) | 1,995.93 mi (3,212.13 km) |
| Middletown to Mountain Park (Georgia) | 391.11 mi (629.43 km) |
| Middletown to Mountain Top (Pennsylvania) | 459.58 mi (739.62 km) |
| Middletown to Mountain View (California) | 2,030.93 mi (3,268.47 km) |
| Middletown to Mountlake Terrace (Washington) | 1,959.41 mi (3,153.37 km) |
| Middletown to Mukilteo (Washington) | 1,959.63 mi (3,153.73 km) |
| Middletown to Muncie (Indiana) | 72.73 mi (117.05 km) |
| Middletown to Mundelein (Illinois) | 269.69 mi (434.02 km) |
| Middletown to Munhall (Pennsylvania) | 244.36 mi (393.26 km) |
| Middletown to Munster (Indiana) | 216.99 mi (349.22 km) |
| Middletown to Murfreesboro (Tennessee) | 276.15 mi (444.42 km) |
| Middletown to Murphy (Texas) | 814.98 mi (1,311.58 km) |
