| Walnut Creek to Missouri City (Texas) | 1,621.33 mi (2,609.28 km) |
| Walnut Creek to Mitchell (South Dakota) | 1,312.84 mi (2,112.81 km) |
| Walnut Creek to Mitchellville (Maryland) | 2,423.74 mi (3,900.63 km) |
| Walnut Creek to Moberly (Missouri) | 1,593.45 mi (2,564.42 km) |
| Walnut Creek to Mobile (Alabama) | 1,987.91 mi (3,199.24 km) |
| Walnut Creek to Modesto (California) | 59.53 mi (95.80 km) |
| Walnut Creek to Mokena (Illinois) | 1,820.82 mi (2,930.32 km) |
| Walnut Creek to Moline (Illinois) | 1,685.90 mi (2,713.19 km) |
| Walnut Creek to Moncks Corner (South Carolina) | 2,365.48 mi (3,806.87 km) |
| Walnut Creek to Monfort Heights (Ohio) | 2,010.40 mi (3,235.43 km) |
| Walnut Creek to Monmouth (Oregon) | 483.99 mi (778.91 km) |
| Walnut Creek to Monroe (Georgia) | 2,149.74 mi (3,459.67 km) |
| Walnut Creek to Monroe (Louisiana) | 1,723.97 mi (2,774.46 km) |
| Walnut Creek to Monroe (Michigan) | 2,049.82 mi (3,298.87 km) |
| Walnut Creek to Monroe (North Carolina) | 2,294.96 mi (3,693.38 km) |
