| Walnut Creek to Marrero (Louisiana) | 1,902.41 mi (3,061.64 km) |
| Walnut Creek to Marshall (Minnesota) | 1,430.85 mi (2,302.74 km) |
| Walnut Creek to Marshall (Missouri) | 1,554.92 mi (2,502.40 km) |
| Walnut Creek to Marshall (Texas) | 1,599.86 mi (2,574.73 km) |
| Walnut Creek to Marshalltown (Iowa) | 1,561.02 mi (2,512.21 km) |
| Walnut Creek to Marshfield (Wisconsin) | 1,707.09 mi (2,747.30 km) |
| Walnut Creek to Martha Lake (Washington) | 687.24 mi (1,106.00 km) |
| Walnut Creek to Martin (Tennessee) | 1,822.01 mi (2,932.24 km) |
| Walnut Creek to Martinez (California) | 7.83 mi (12.60 km) |
| Walnut Creek to Martinez (Georgia) | 2,243.94 mi (3,611.27 km) |
| Walnut Creek to Martinsburg (West Virginia) | 2,355.19 mi (3,790.31 km) |
| Walnut Creek to Martinsville (Indiana) | 1,911.56 mi (3,076.36 km) |
| Walnut Creek to Martinsville (New Jersey) | 2,515.54 mi (4,048.37 km) |
| Walnut Creek to Martinsville (Virginia) | 2,299.90 mi (3,701.34 km) |
| Walnut Creek to Maryland City (Maryland) | 2,421.69 mi (3,897.34 km) |
