| Security-Widefield to Mendota (California) | 865.59 mi (1,393.03 km) |
| Security-Widefield to Mendota Heights (Minnesota) | 730.12 mi (1,175.02 km) |
| Security-Widefield to Menifee (California) | 777.08 mi (1,250.59 km) |
| Security-Widefield to Menlo Park (California) | 951.51 mi (1,531.30 km) |
| Security-Widefield to Menomonee Falls (Wisconsin) | 915.77 mi (1,473.79 km) |
| Security-Widefield to Menomonie (Wisconsin) | 782.67 mi (1,259.59 km) |
| Security-Widefield to Mentor (Ohio) | 1,246.03 mi (2,005.29 km) |
| Security-Widefield to Mequon (Wisconsin) | 923.99 mi (1,487.02 km) |
| Security-Widefield to Merced (California) | 862.64 mi (1,388.29 km) |
| Security-Widefield to Mercedes (Texas) | 955.60 mi (1,537.89 km) |
| Security-Widefield to Mercer Island (Washington) | 1,068.76 mi (1,720.00 km) |
| Security-Widefield to Mercerville (New Jersey) | 1,596.45 mi (2,569.24 km) |
| Security-Widefield to Meriden (Connecticut) | 1,687.21 mi (2,715.31 km) |
| Security-Widefield to Meridian (Idaho) | 693.35 mi (1,115.85 km) |
| Security-Widefield to Meridian (Mississippi) | 1,000.29 mi (1,609.82 km) |
