| Ottawa to Madison (Mississippi) | 617.86 mi (994.34 km) |
| Ottawa to Madison (New Jersey) | 750.99 mi (1,208.60 km) |
| Ottawa to Madison (Wisconsin) | 122.78 mi (197.59 km) |
| Ottawa to Madison Heights (Michigan) | 304.66 mi (490.31 km) |
| Ottawa to Madison Heights (Virginia) | 584.47 mi (940.62 km) |
| Ottawa to Madisonville (Kentucky) | 286.23 mi (460.65 km) |
| Ottawa to Magalia (California) | 1,713.03 mi (2,756.86 km) |
| Ottawa to Magna (Utah) | 1,212.67 mi (1,951.60 km) |
| Ottawa to Magnolia (Arkansas) | 608.03 mi (978.52 km) |
| Ottawa to Maili (Hawaii) | 4,201.43 mi (6,761.55 km) |
| Ottawa to Maitland (Florida) | 974.31 mi (1,567.99 km) |
| Ottawa to Makakilo (Hawaii) | 4,199.06 mi (6,757.73 km) |
| Ottawa to Malden (Massachusetts) | 915.21 mi (1,472.89 km) |
| Ottawa to Malibu (California) | 1,704.34 mi (2,742.87 km) |
| Ottawa to Maltby (Washington) | 1,682.87 mi (2,708.31 km) |
