| Johnston to Morristown (New Jersey) | 999.70 mi (1,608.86 km) |
| Johnston to Morristown (Tennessee) | 675.55 mi (1,087.20 km) |
| Johnston to Morrisville (North Carolina) | 896.62 mi (1,442.97 km) |
| Johnston to Morro Bay (California) | 1,522.58 mi (2,450.36 km) |
| Johnston to Morton (Illinois) | 233.59 mi (375.93 km) |
| Johnston to Morton Grove (Illinois) | 306.25 mi (492.86 km) |
| Johnston to Moscow (Idaho) | 1,199.06 mi (1,929.69 km) |
| Johnston to Moses Lake (Washington) | 1,309.24 mi (2,107.03 km) |
| Johnston to Moss Bluff (Louisiana) | 787.30 mi (1,267.04 km) |
| Johnston to Moss Point (Mississippi) | 830.35 mi (1,336.31 km) |
| Johnston to Moultrie (Georgia) | 912.76 mi (1,468.95 km) |
| Johnston to Mounds View (Minnesota) | 237.44 mi (382.13 km) |
| Johnston to Mount Airy (North Carolina) | 787.63 mi (1,267.56 km) |
| Johnston to Mount Clemens (Michigan) | 558.53 mi (898.86 km) |
| Johnston to Mount Dora (Florida) | 1,118.63 mi (1,800.26 km) |
