| Summit to Duluth (Minnesota) | 978.10 mi (1,574.10 km) |
| Summit to Dumas (Texas) | 1,527.12 mi (2,457.67 km) |
| Summit to Dumont (New Jersey) | 25.12 mi (40.43 km) |
| Summit to Duncan (Oklahoma) | 1,352.92 mi (2,177.31 km) |
| Summit to Duncanville (Texas) | 1,362.99 mi (2,193.52 km) |
| Summit to Dundalk (Maryland) | 150.57 mi (242.32 km) |
| Summit to Dunedin (Florida) | 998.05 mi (1,606.21 km) |
| Summit to Dunkirk (New York) | 284.10 mi (457.22 km) |
| Summit to Dunmore (Pennsylvania) | 80.79 mi (130.02 km) |
| Summit to Dunwoody (Georgia) | 718.67 mi (1,156.59 km) |
| Summit to Durango (Colorado) | 1,804.40 mi (2,903.91 km) |
| Summit to Durant (Oklahoma) | 1,291.47 mi (2,078.42 km) |
| Summit to Durham (North Carolina) | 409.18 mi (658.51 km) |
| Summit to Dyer (Indiana) | 685.77 mi (1,103.64 km) |
| Summit to Dyersburg (Tennessee) | 873.35 mi (1,405.52 km) |
