| Prospect Heights to Marrero (Louisiana) | 852.81 mi (1,372.47 km) |
| Prospect Heights to Marshall (Minnesota) | 427.21 mi (687.52 km) |
| Prospect Heights to Marshall (Missouri) | 345.13 mi (555.43 km) |
| Prospect Heights to Marshall (Texas) | 748.81 mi (1,205.09 km) |
| Prospect Heights to Marshalltown (Iowa) | 255.44 mi (411.09 km) |
| Prospect Heights to Marshfield (Wisconsin) | 209.69 mi (337.46 km) |
| Prospect Heights to Martha Lake (Washington) | 1,707.99 mi (2,748.74 km) |
| Prospect Heights to Martin (Tennessee) | 401.41 mi (646.00 km) |
| Prospect Heights to Martinez (California) | 1,817.97 mi (2,925.73 km) |
| Prospect Heights to Martinez (Georgia) | 672.55 mi (1,082.37 km) |
| Prospect Heights to Martinsburg (West Virginia) | 551.28 mi (887.20 km) |
| Prospect Heights to Martinsville (Indiana) | 201.59 mi (324.42 km) |
| Prospect Heights to Martinsville (New Jersey) | 699.46 mi (1,125.67 km) |
| Prospect Heights to Martinsville (Virginia) | 570.20 mi (917.65 km) |
| Prospect Heights to Maryland City (Maryland) | 618.63 mi (995.60 km) |
