| Ontario to Madison (Mississippi) | 1,586.45 mi (2,553.14 km) |
| Ontario to Madison (New Jersey) | 2,390.95 mi (3,847.87 km) |
| Ontario to Madison (Wisconsin) | 1,637.48 mi (2,635.27 km) |
| Ontario to Madison Heights (Michigan) | 1,945.58 mi (3,131.12 km) |
| Ontario to Madison Heights (Virginia) | 2,156.89 mi (3,471.18 km) |
| Ontario to Madisonville (Kentucky) | 1,697.35 mi (2,731.62 km) |
| Ontario to Magalia (California) | 456.51 mi (734.68 km) |
| Ontario to Magna (Utah) | 552.18 mi (888.65 km) |
| Ontario to Magnolia (Arkansas) | 1,399.80 mi (2,252.75 km) |
| Ontario to Maili (Hawaii) | 2,609.98 mi (4,200.36 km) |
| Ontario to Maitland (Florida) | 2,159.40 mi (3,475.22 km) |
| Ontario to Makakilo (Hawaii) | 2,606.74 mi (4,195.15 km) |
| Ontario to Malden (Massachusetts) | 2,558.62 mi (4,117.70 km) |
| Ontario to Malibu (California) | 67.42 mi (108.50 km) |
| Ontario to Maltby (Washington) | 979.08 mi (1,575.67 km) |
