| Ontario to Murphy (Texas) | 1,209.23 mi (1,946.07 km) |
| Ontario to Murray (Kentucky) | 1,654.00 mi (2,661.86 km) |
| Ontario to Murray (Utah) | 554.05 mi (891.65 km) |
| Ontario to Murraysville (North Carolina) | 2,258.46 mi (3,634.64 km) |
| Ontario to Murrieta (California) | 40.15 mi (64.61 km) |
| Ontario to Murrysville (Pennsylvania) | 2,116.90 mi (3,406.82 km) |
| Ontario to Muscatine (Iowa) | 1,529.97 mi (2,462.25 km) |
| Ontario to Muscle Shoals (Alabama) | 1,703.22 mi (2,741.07 km) |
| Ontario to Muscoy (California) | 16.83 mi (27.08 km) |
| Ontario to Muskego (Wisconsin) | 1,697.12 mi (2,731.25 km) |
| Ontario to Muskegon (Michigan) | 1,794.41 mi (2,887.83 km) |
| Ontario to Muskogee (Oklahoma) | 1,263.72 mi (2,033.76 km) |
| Ontario to Mustang (Oklahoma) | 1,131.12 mi (1,820.36 km) |
| Ontario to Myers Corner (New York) | 2,416.34 mi (3,888.73 km) |
| Ontario to Myrtle Beach (South Carolina) | 2,207.89 mi (3,553.25 km) |
