| Middletown to Des Plaines (Illinois) | 254.52 mi (409.61 km) |
| Middletown to Desert Hot Springs (California) | 1,812.44 mi (2,916.84 km) |
| Middletown to DeSoto (Texas) | 844.23 mi (1,358.66 km) |
| Middletown to Destin (Florida) | 640.45 mi (1,030.70 km) |
| Middletown to Destrehan (Louisiana) | 741.61 mi (1,193.51 km) |
| Middletown to Detroit (Michigan) | 209.63 mi (337.37 km) |
| Middletown to Diamond Bar (California) | 1,879.17 mi (3,024.23 km) |
| Middletown to Diamond Springs (California) | 1,943.07 mi (3,127.07 km) |
| Middletown to Dickinson (North Dakota) | 1,055.55 mi (1,698.74 km) |
| Middletown to Dickinson (Texas) | 922.12 mi (1,484.00 km) |
| Middletown to Dickson (Tennessee) | 288.62 mi (464.49 km) |
| Middletown to Difficult Run (Virginia) | 377.99 mi (608.32 km) |
| Middletown to Dinuba (California) | 1,905.64 mi (3,066.84 km) |
| Middletown to Discovery Bay (California) | 1,996.28 mi (3,212.71 km) |
| Middletown to Dix Hills (New York) | 588.88 mi (947.71 km) |
