| Romeoville to Dallas (Oregon) | 1,771.76 mi (2,851.37 km) |
| Romeoville to Dallas (Texas) | 773.93 mi (1,245.52 km) |
| Romeoville to Dalton (Georgia) | 503.57 mi (810.41 km) |
| Romeoville to Daly City (California) | 1,836.00 mi (2,954.75 km) |
| Romeoville to Damascus (Maryland) | 595.60 mi (958.52 km) |
| Romeoville to Damascus (Oregon) | 1,726.87 mi (2,779.13 km) |
| Romeoville to Dana Point (California) | 1,706.39 mi (2,746.18 km) |
| Romeoville to Danbury (Connecticut) | 756.07 mi (1,216.78 km) |
| Romeoville to Dania Beach (Florida) | 1,167.03 mi (1,878.15 km) |
| Romeoville to Danville (California) | 1,807.41 mi (2,908.74 km) |
| Romeoville to Danville (Illinois) | 106.01 mi (170.61 km) |
| Romeoville to Danville (Indiana) | 154.14 mi (248.06 km) |
| Romeoville to Danville (Kentucky) | 327.42 mi (526.93 km) |
| Romeoville to Danville (Virginia) | 581.56 mi (935.93 km) |
| Romeoville to Daphne (Alabama) | 760.50 mi (1,223.91 km) |
