| Johnston to Mountain Brook (Alabama) | 683.17 mi (1,099.46 km) |
| Johnston to Mountain Home (Arkansas) | 376.96 mi (606.66 km) |
| Johnston to Mountain Home (Idaho) | 1,122.11 mi (1,805.86 km) |
| Johnston to Mountain House (California) | 1,496.24 mi (2,407.96 km) |
| Johnston to Mountain Park (Georgia) | 752.89 mi (1,211.66 km) |
| Johnston to Mountain Top (Pennsylvania) | 922.48 mi (1,484.58 km) |
| Johnston to Mountain View (California) | 1,532.33 mi (2,466.05 km) |
| Johnston to Mountlake Terrace (Washington) | 1,455.28 mi (2,342.05 km) |
| Johnston to Mukilteo (Washington) | 1,455.99 mi (2,343.19 km) |
| Johnston to Muncie (Indiana) | 446.51 mi (718.59 km) |
| Johnston to Mundelein (Illinois) | 296.09 mi (476.52 km) |
| Johnston to Munhall (Pennsylvania) | 725.10 mi (1,166.93 km) |
| Johnston to Munster (Indiana) | 321.33 mi (517.14 km) |
| Johnston to Murfreesboro (Tennessee) | 563.54 mi (906.93 km) |
| Johnston to Murphy (Texas) | 619.72 mi (997.35 km) |
