| Ottawa to Missouri City (Texas) | 897.31 mi (1,444.08 km) |
| Ottawa to Mitchell (South Dakota) | 496.26 mi (798.66 km) |
| Ottawa to Mitchellville (Maryland) | 655.44 mi (1,054.83 km) |
| Ottawa to Moberly (Missouri) | 232.39 mi (374.00 km) |
| Ottawa to Mobile (Alabama) | 738.79 mi (1,188.96 km) |
| Ottawa to Modesto (California) | 1,724.60 mi (2,775.47 km) |
| Ottawa to Mokena (Illinois) | 50.60 mi (81.44 km) |
| Ottawa to Moline (Illinois) | 86.76 mi (139.62 km) |
| Ottawa to Moncks Corner (South Carolina) | 743.87 mi (1,197.14 km) |
| Ottawa to Monfort Heights (Ohio) | 268.29 mi (431.78 km) |
| Ottawa to Monmouth (Oregon) | 1,738.97 mi (2,798.60 km) |
| Ottawa to Monroe (Georgia) | 592.08 mi (952.86 km) |
| Ottawa to Monroe (Louisiana) | 636.29 mi (1,024.02 km) |
| Ottawa to Monroe (Michigan) | 283.58 mi (456.38 km) |
| Ottawa to Monroe (North Carolina) | 627.13 mi (1,009.27 km) |
