| Ontario to Mineola (New York) | 2,431.63 mi (3,913.33 km) |
| Ontario to Mineral Wells (Texas) | 1,127.55 mi (1,814.62 km) |
| Ontario to Minneapolis (Minnesota) | 1,492.48 mi (2,401.92 km) |
| Ontario to Minnehaha (Washington) | 845.21 mi (1,360.24 km) |
| Ontario to Minneola (Florida) | 2,139.29 mi (3,442.85 km) |
| Ontario to Minnetonka (Minnesota) | 1,482.97 mi (2,386.61 km) |
| Ontario to Minooka (Illinois) | 1,672.80 mi (2,692.11 km) |
| Ontario to Minot (North Dakota) | 1,292.27 mi (2,079.71 km) |
| Ontario to Mint Hill (North Carolina) | 2,090.78 mi (3,364.78 km) |
| Ontario to Miramar (Florida) | 2,285.06 mi (3,677.45 km) |
| Ontario to Mishawaka (Indiana) | 1,783.09 mi (2,869.61 km) |
| Ontario to Mission (Texas) | 1,270.23 mi (2,044.24 km) |
| Ontario to Mission Bend (Texas) | 1,319.18 mi (2,123.02 km) |
| Ontario to Mission Viejo (California) | 29.82 mi (47.99 km) |
| Ontario to Missoula (Montana) | 906.41 mi (1,458.72 km) |
