| Darby to Mitchell (South Dakota) | 1,197.57 mi (1,927.30 km) |
| Darby to Mitchellville (Maryland) | 107.27 mi (172.64 km) |
| Darby to Moberly (Missouri) | 912.71 mi (1,468.86 km) |
| Darby to Mobile (Alabama) | 964.22 mi (1,551.76 km) |
| Darby to Modesto (California) | 2,441.79 mi (3,929.68 km) |
| Darby to Mokena (Illinois) | 669.33 mi (1,077.18 km) |
| Darby to Moline (Illinois) | 804.00 mi (1,293.91 km) |
| Darby to Moncks Corner (South Carolina) | 535.41 mi (861.66 km) |
| Darby to Monfort Heights (Ohio) | 500.31 mi (805.16 km) |
| Darby to Monmouth (Oregon) | 2,435.60 mi (3,919.72 km) |
| Darby to Monroe (Georgia) | 629.84 mi (1,013.62 km) |
| Darby to Monroe (Louisiana) | 1,065.29 mi (1,714.43 km) |
| Darby to Monroe (Michigan) | 445.76 mi (717.39 km) |
| Darby to Monroe (North Carolina) | 446.75 mi (718.97 km) |
| Darby to Monroe (Ohio) | 485.08 mi (780.65 km) |
