| Council Bluffs to McKeesport (Pennsylvania) | 838.47 mi (1,349.39 km) |
| Council Bluffs to McKinleyville (California) | 1,463.82 mi (2,355.80 km) |
| Council Bluffs to McKinney (Texas) | 556.99 mi (896.38 km) |
| Council Bluffs to McLean (Virginia) | 996.85 mi (1,604.27 km) |
| Council Bluffs to McMinnville (Oregon) | 1,396.56 mi (2,247.54 km) |
| Council Bluffs to McMinnville (Tennessee) | 665.54 mi (1,071.08 km) |
| Council Bluffs to McNair (Virginia) | 985.44 mi (1,585.91 km) |
| Council Bluffs to McPherson (Kansas) | 220.03 mi (354.10 km) |
| Council Bluffs to Mead Valley (California) | 1,276.48 mi (2,054.30 km) |
| Council Bluffs to Meadow Woods (Florida) | 1,208.05 mi (1,944.17 km) |
| Council Bluffs to Meadowbrook (Virginia) | 1,014.57 mi (1,632.79 km) |
| Council Bluffs to Meadville (Pennsylvania) | 812.78 mi (1,308.05 km) |
| Council Bluffs to Mebane (North Carolina) | 960.68 mi (1,546.07 km) |
| Council Bluffs to Mechanicsville (Virginia) | 1,015.91 mi (1,634.95 km) |
| Council Bluffs to Medford (Massachusetts) | 1,271.97 mi (2,047.03 km) |
