| Ottawa to Mount Washington (Kentucky) | 287.39 mi (462.50 km) |
| Ottawa to Mountain Brook (Alabama) | 555.52 mi (894.03 km) |
| Ottawa to Mountain Home (Arkansas) | 396.11 mi (637.48 km) |
| Ottawa to Mountain Home (Idaho) | 1,373.97 mi (2,211.19 km) |
| Ottawa to Mountain House (California) | 1,749.83 mi (2,816.08 km) |
| Ottawa to Mountain Park (Georgia) | 578.79 mi (931.47 km) |
| Ottawa to Mountain Top (Pennsylvania) | 670.84 mi (1,079.61 km) |
| Ottawa to Mountain View (California) | 1,785.74 mi (2,873.86 km) |
| Ottawa to Mountlake Terrace (Washington) | 1,692.26 mi (2,723.42 km) |
| Ottawa to Mukilteo (Washington) | 1,692.47 mi (2,723.77 km) |
| Ottawa to Muncie (Indiana) | 196.48 mi (316.21 km) |
| Ottawa to Mundelein (Illinois) | 75.84 mi (122.05 km) |
| Ottawa to Munhall (Pennsylvania) | 470.81 mi (757.69 km) |
| Ottawa to Munster (Indiana) | 69.73 mi (112.22 km) |
| Ottawa to Murfreesboro (Tennessee) | 402.12 mi (647.15 km) |
