| Prospect Heights to Mill Creek (Washington) | 1,706.65 mi (2,746.59 km) |
| Prospect Heights to Mill Creek East (Washington) | 1,705.89 mi (2,745.37 km) |
| Prospect Heights to Mill Valley (California) | 1,841.90 mi (2,964.25 km) |
| Prospect Heights to Millbrae (California) | 1,842.16 mi (2,964.68 km) |
| Prospect Heights to Millbrook (Alabama) | 668.81 mi (1,076.35 km) |
| Prospect Heights to Millcreek (Utah) | 1,238.67 mi (1,993.45 km) |
| Prospect Heights to Milledgeville (Georgia) | 673.43 mi (1,083.78 km) |
| Prospect Heights to Miller Place (New York) | 776.07 mi (1,248.96 km) |
| Prospect Heights to Millington (Tennessee) | 479.58 mi (771.81 km) |
| Prospect Heights to Millville (New Jersey) | 698.53 mi (1,124.18 km) |
| Prospect Heights to Milpitas (California) | 1,820.08 mi (2,929.14 km) |
| Prospect Heights to Milton (Georgia) | 584.40 mi (940.49 km) |
| Prospect Heights to Milwaukee (Wisconsin) | 66.38 mi (106.83 km) |
| Prospect Heights to Milwaukie (Oregon) | 1,732.60 mi (2,788.35 km) |
| Prospect Heights to Minden (Louisiana) | 717.80 mi (1,155.19 km) |
