| Romeoville to Des Plaines (Illinois) | 29.65 mi (47.71 km) |
| Romeoville to Desert Hot Springs (California) | 1,632.21 mi (2,626.79 km) |
| Romeoville to DeSoto (Texas) | 788.13 mi (1,268.37 km) |
| Romeoville to Destin (Florida) | 781.67 mi (1,257.97 km) |
| Romeoville to Destrehan (Louisiana) | 816.13 mi (1,313.44 km) |
| Romeoville to Detroit (Michigan) | 261.72 mi (421.20 km) |
| Romeoville to Diamond Bar (California) | 1,695.76 mi (2,729.06 km) |
| Romeoville to Diamond Springs (California) | 1,730.14 mi (2,784.40 km) |
| Romeoville to Dickinson (North Dakota) | 811.05 mi (1,305.26 km) |
| Romeoville to Dickinson (Texas) | 927.05 mi (1,491.94 km) |
| Romeoville to Dickson (Tennessee) | 386.73 mi (622.38 km) |
| Romeoville to Difficult Run (Virginia) | 596.96 mi (960.72 km) |
| Romeoville to Dinuba (California) | 1,705.04 mi (2,743.99 km) |
| Romeoville to Discovery Bay (California) | 1,786.16 mi (2,874.55 km) |
| Romeoville to Dix Hills (New York) | 768.42 mi (1,236.66 km) |
