| River Ridge to Marrero (Louisiana) | 8.15 mi (13.11 km) |
| River Ridge to Marshall (Minnesota) | 1,046.33 mi (1,683.90 km) |
| River Ridge to Marshall (Missouri) | 654.82 mi (1,053.83 km) |
| River Ridge to Marshall (Texas) | 302.07 mi (486.13 km) |
| River Ridge to Marshalltown (Iowa) | 847.58 mi (1,364.05 km) |
| River Ridge to Marshfield (Wisconsin) | 1,015.91 mi (1,634.95 km) |
| River Ridge to Martha Lake (Washington) | 2,094.75 mi (3,371.18 km) |
| River Ridge to Martin (Tennessee) | 447.80 mi (720.67 km) |
| River Ridge to Martinez (California) | 1,899.42 mi (3,056.81 km) |
| River Ridge to Martinez (Georgia) | 536.70 mi (863.73 km) |
| River Ridge to Martinsburg (West Virginia) | 954.45 mi (1,536.03 km) |
| River Ridge to Martinsville (Indiana) | 687.67 mi (1,106.70 km) |
| River Ridge to Martinsville (New Jersey) | 1,145.54 mi (1,843.57 km) |
| River Ridge to Martinsville (Virginia) | 756.36 mi (1,217.25 km) |
| River Ridge to Maryland City (Maryland) | 989.06 mi (1,591.73 km) |
