| Lemont to Des Plaines (Illinois) | 25.58 mi (41.16 km) |
| Lemont to Desert Hot Springs (California) | 1,638.55 mi (2,636.98 km) |
| Lemont to DeSoto (Texas) | 794.00 mi (1,277.82 km) |
| Lemont to Destin (Florida) | 783.53 mi (1,260.97 km) |
| Lemont to Destrehan (Louisiana) | 819.72 mi (1,319.22 km) |
| Lemont to Detroit (Michigan) | 255.31 mi (410.88 km) |
| Lemont to Diamond Bar (California) | 1,702.06 mi (2,739.20 km) |
| Lemont to Diamond Springs (California) | 1,735.92 mi (2,793.69 km) |
| Lemont to Dickinson (North Dakota) | 814.80 mi (1,311.29 km) |
| Lemont to Dickinson (Texas) | 932.10 mi (1,500.07 km) |
| Lemont to Dickson (Tennessee) | 388.74 mi (625.62 km) |
| Lemont to Difficult Run (Virginia) | 591.86 mi (952.51 km) |
| Lemont to Dinuba (California) | 1,711.09 mi (2,753.73 km) |
| Lemont to Discovery Bay (California) | 1,792.01 mi (2,883.96 km) |
| Lemont to Dix Hills (New York) | 762.42 mi (1,226.99 km) |
