| Johnston to Mitchell (South Dakota) | 260.18 mi (418.72 km) |
| Johnston to Mitchellville (Maryland) | 909.35 mi (1,463.47 km) |
| Johnston to Moberly (Missouri) | 170.97 mi (275.14 km) |
| Johnston to Mobile (Alabama) | 822.16 mi (1,323.14 km) |
| Johnston to Modesto (California) | 1,471.25 mi (2,367.75 km) |
| Johnston to Mokena (Illinois) | 302.10 mi (486.18 km) |
| Johnston to Moline (Illinois) | 167.61 mi (269.74 km) |
| Johnston to Moncks Corner (South Carolina) | 953.17 mi (1,533.97 km) |
| Johnston to Monfort Heights (Ohio) | 509.45 mi (819.88 km) |
| Johnston to Monmouth (Oregon) | 1,491.91 mi (2,401.00 km) |
| Johnston to Monroe (Georgia) | 771.14 mi (1,241.03 km) |
| Johnston to Monroe (Louisiana) | 640.18 mi (1,030.27 km) |
| Johnston to Monroe (Michigan) | 532.39 mi (856.79 km) |
| Johnston to Monroe (North Carolina) | 848.29 mi (1,365.19 km) |
| Johnston to Monroe (Ohio) | 514.69 mi (828.31 km) |
