| Summit to Dover (New Hampshire) | 247.31 mi (398.01 km) |
| Summit to Dover (New Jersey) | 15.58 mi (25.08 km) |
| Summit to Dover (Ohio) | 373.29 mi (600.76 km) |
| Summit to Downers Grove (Illinois) | 712.30 mi (1,146.34 km) |
| Summit to Downey (California) | 2,424.14 mi (3,901.28 km) |
| Summit to Dranesville (Virginia) | 198.77 mi (319.89 km) |
| Summit to Draper (Utah) | 1,951.74 mi (3,141.02 km) |
| Summit to Drexel Heights (Arizona) | 2,106.54 mi (3,390.15 km) |
| Summit to Drexel Hill (Pennsylvania) | 72.43 mi (116.57 km) |
| Summit to Duarte (California) | 2,408.41 mi (3,875.97 km) |
| Summit to Dublin (California) | 2,521.78 mi (4,058.42 km) |
| Summit to Dublin (Georgia) | 737.35 mi (1,186.66 km) |
| Summit to Dublin (Ohio) | 463.61 mi (746.11 km) |
| Summit to Dubuque (Iowa) | 851.86 mi (1,370.94 km) |
| Summit to Duluth (Georgia) | 708.88 mi (1,140.84 km) |
