| Johnston to Mendota Heights (Minnesota) | 222.38 mi (357.89 km) |
| Johnston to Menifee (California) | 1,390.99 mi (2,238.58 km) |
| Johnston to Menlo Park (California) | 1,535.24 mi (2,470.74 km) |
| Johnston to Menomonee Falls (Wisconsin) | 302.83 mi (487.36 km) |
| Johnston to Menomonie (Wisconsin) | 239.07 mi (384.75 km) |
| Johnston to Mentor (Ohio) | 638.57 mi (1,027.68 km) |
| Johnston to Mequon (Wisconsin) | 311.32 mi (501.01 km) |
| Johnston to Merced (California) | 1,452.02 mi (2,336.80 km) |
| Johnston to Mercedes (Texas) | 1,099.71 mi (1,769.81 km) |
| Johnston to Mercer Island (Washington) | 1,450.16 mi (2,333.81 km) |
| Johnston to Mercerville (New Jersey) | 995.99 mi (1,602.89 km) |
| Johnston to Meriden (Connecticut) | 1,078.49 mi (1,735.67 km) |
| Johnston to Meridian (Idaho) | 1,156.22 mi (1,860.76 km) |
| Johnston to Meridian (Mississippi) | 700.04 mi (1,126.61 km) |
| Johnston to Merriam (Kansas) | 191.57 mi (308.31 km) |
