| Sun Prairie to McHenry (Illinois) | 75.41 mi (121.37 km) |
| Sun Prairie to McKeesport (Pennsylvania) | 521.95 mi (840.00 km) |
| Sun Prairie to McKinleyville (California) | 1,781.26 mi (2,866.65 km) |
| Sun Prairie to McKinney (Texas) | 798.20 mi (1,284.58 km) |
| Sun Prairie to McLean (Virginia) | 691.45 mi (1,112.78 km) |
| Sun Prairie to McMinnville (Oregon) | 1,675.42 mi (2,696.33 km) |
| Sun Prairie to McMinnville (Tennessee) | 549.63 mi (884.55 km) |
| Sun Prairie to McNair (Virginia) | 680.99 mi (1,095.95 km) |
| Sun Prairie to McPherson (Kansas) | 551.60 mi (887.71 km) |
| Sun Prairie to Mead Valley (California) | 1,638.38 mi (2,636.71 km) |
| Sun Prairie to Meadow Woods (Florida) | 1,113.62 mi (1,792.20 km) |
| Sun Prairie to Meadowbrook (Virginia) | 735.17 mi (1,183.15 km) |
| Sun Prairie to Meadville (Pennsylvania) | 475.36 mi (765.02 km) |
| Sun Prairie to Mebane (North Carolina) | 721.19 mi (1,160.64 km) |
| Sun Prairie to Mechanicsville (Virginia) | 732.47 mi (1,178.79 km) |
