| Keystone to Des Plaines (Illinois) | 1,005.74 mi (1,618.58 km) |
| Keystone to Desert Hot Springs (California) | 2,039.60 mi (3,282.42 km) |
| Keystone to DeSoto (Texas) | 903.68 mi (1,454.33 km) |
| Keystone to Destin (Florida) | 280.83 mi (451.95 km) |
| Keystone to Destrehan (Louisiana) | 485.84 mi (781.88 km) |
| Keystone to Detroit (Michigan) | 985.13 mi (1,585.42 km) |
| Keystone to Diamond Bar (California) | 2,112.61 mi (3,399.92 km) |
| Keystone to Diamond Springs (California) | 2,303.95 mi (3,707.84 km) |
| Keystone to Dickinson (North Dakota) | 1,694.04 mi (2,726.29 km) |
| Keystone to Dickinson (Texas) | 759.55 mi (1,222.38 km) |
| Keystone to Dickson (Tennessee) | 614.78 mi (989.39 km) |
| Keystone to Difficult Run (Virginia) | 802.93 mi (1,292.19 km) |
| Keystone to Dinuba (California) | 2,210.85 mi (3,558.01 km) |
| Keystone to Discovery Bay (California) | 2,339.34 mi (3,764.80 km) |
| Keystone to Dix Hills (New York) | 1,020.81 mi (1,642.83 km) |
