| Romeoville to Dixon (California) | 1,786.03 mi (2,874.34 km) |
| Romeoville to Dixon (Illinois) | 72.63 mi (116.88 km) |
| Romeoville to Dobbs Ferry (New York) | 738.79 mi (1,188.96 km) |
| Romeoville to Doctor Phillips (Florida) | 983.87 mi (1,583.39 km) |
| Romeoville to Dodge City (Kansas) | 686.98 mi (1,105.59 km) |
| Romeoville to Dolton (Illinois) | 25.92 mi (41.71 km) |
| Romeoville to Donna (Texas) | 1,210.72 mi (1,948.47 km) |
| Romeoville to Dorado (Puerto Rico) | 2,052.77 mi (3,303.62 km) |
| Romeoville to Doral (Florida) | 1,178.65 mi (1,896.86 km) |
| Romeoville to Doraville (Georgia) | 573.05 mi (922.23 km) |
| Romeoville to Dothan (Alabama) | 733.76 mi (1,180.88 km) |
| Romeoville to Douglas (Arizona) | 1,380.52 mi (2,221.73 km) |
| Romeoville to Douglas (Georgia) | 757.33 mi (1,218.80 km) |
| Romeoville to Douglasville (Georgia) | 575.96 mi (926.92 km) |
| Romeoville to Dover (Delaware) | 682.89 mi (1,099.01 km) |
