| Oconomowoc to Mattoon (Illinois) | 250.36 mi (402.92 km) |
| Oconomowoc to Mauldin (South Carolina) | 663.59 mi (1,067.95 km) |
| Oconomowoc to Maumee (Ohio) | 268.39 mi (431.94 km) |
| Oconomowoc to Maumelle (Arkansas) | 607.03 mi (976.92 km) |
| Oconomowoc to Mayagüez (Puerto Rico) | 2,124.47 mi (3,419.01 km) |
| Oconomowoc to Mayfield Heights (Ohio) | 375.90 mi (604.95 km) |
| Oconomowoc to Mays Chapel (Maryland) | 664.39 mi (1,069.24 km) |
| Oconomowoc to Maywood (California) | 1,712.47 mi (2,755.96 km) |
| Oconomowoc to Maywood (Illinois) | 90.56 mi (145.75 km) |
| Oconomowoc to McAlester (Oklahoma) | 686.15 mi (1,104.25 km) |
| Oconomowoc to McAllen (Texas) | 1,288.72 mi (2,074.00 km) |
| Oconomowoc to McCalla (Alabama) | 681.55 mi (1,096.85 km) |
| Oconomowoc to McComb (Mississippi) | 826.26 mi (1,329.73 km) |
| Oconomowoc to McDonough (Georgia) | 707.54 mi (1,138.68 km) |
| Oconomowoc to McFarland (California) | 1,709.03 mi (2,750.41 km) |
