| Delaware to Marietta (Georgia) | 444.88 mi (715.96 km) |
| Delaware to Marietta (Ohio) | 104.84 mi (168.72 km) |
| Delaware to Marina (California) | 2,091.97 mi (3,366.70 km) |
| Delaware to Marinette (Wisconsin) | 404.45 mi (650.91 km) |
| Delaware to Marion (Arkansas) | 524.17 mi (843.56 km) |
| Delaware to Marion (Illinois) | 360.86 mi (580.75 km) |
| Delaware to Marion (Indiana) | 137.27 mi (220.91 km) |
| Delaware to Marion (Iowa) | 458.86 mi (738.47 km) |
| Delaware to Marion (Ohio) | 21.72 mi (34.96 km) |
| Delaware to Marion Oaks (Florida) | 781.23 mi (1,257.28 km) |
| Delaware to Markham (Illinois) | 257.45 mi (414.32 km) |
| Delaware to Marlborough (Massachusetts) | 614.43 mi (988.83 km) |
| Delaware to Marlton (New Jersey) | 431.16 mi (693.89 km) |
| Delaware to Marquette (Michigan) | 483.88 mi (778.74 km) |
| Delaware to Marrero (Louisiana) | 820.58 mi (1,320.60 km) |
