| Ontario to Medford (Massachusetts) | 2,556.04 mi (4,113.55 km) |
| Ontario to Medford (New York) | 2,465.42 mi (3,967.72 km) |
| Ontario to Medford (Oregon) | 639.91 mi (1,029.84 km) |
| Ontario to Medina (Ohio) | 2,002.02 mi (3,221.95 km) |
| Ontario to Medulla (Florida) | 2,139.93 mi (3,443.88 km) |
| Ontario to Mehlville (Missouri) | 1,545.24 mi (2,486.83 km) |
| Ontario to Melbourne (Florida) | 2,212.10 mi (3,560.04 km) |
| Ontario to Melissa (Texas) | 1,209.44 mi (1,946.40 km) |
| Ontario to Melrose (Massachusetts) | 2,558.46 mi (4,117.45 km) |
| Ontario to Melrose Park (Illinois) | 1,698.64 mi (2,733.70 km) |
| Ontario to Melville (New York) | 2,443.53 mi (3,932.47 km) |
| Ontario to Melvindale (Michigan) | 1,940.21 mi (3,122.47 km) |
| Ontario to Memphis (Florida) | 2,117.15 mi (3,407.23 km) |
| Ontario to Memphis (Tennessee) | 1,569.17 mi (2,525.34 km) |
| Ontario to Menasha (Wisconsin) | 1,702.83 mi (2,740.45 km) |
