| Romeoville to Wichita (Kansas) | 561.68 mi (903.93 km) |
| Romeoville to Wichita Falls (Texas) | 779.49 mi (1,254.47 km) |
| Romeoville to Wickliffe (Ohio) | 342.41 mi (551.06 km) |
| Romeoville to Wildomar (California) | 1,679.42 mi (2,702.77 km) |
| Romeoville to Wildwood (Florida) | 951.90 mi (1,531.93 km) |
| Romeoville to Wildwood (Missouri) | 250.79 mi (403.60 km) |
| Romeoville to Wilkes-Barre (Pennsylvania) | 633.17 mi (1,018.99 km) |
| Romeoville to Wilkinsburg (Pennsylvania) | 436.32 mi (702.19 km) |
| Romeoville to Williamsburg (Virginia) | 677.67 mi (1,090.60 km) |
| Romeoville to Williamsport (Pennsylvania) | 573.28 mi (922.61 km) |
| Romeoville to Williamstown (New Jersey) | 699.99 mi (1,126.53 km) |
| Romeoville to Willimantic (Connecticut) | 818.82 mi (1,317.77 km) |
| Romeoville to Williston (North Dakota) | 882.37 mi (1,420.03 km) |
| Romeoville to Willmar (Minnesota) | 424.27 mi (682.80 km) |
| Romeoville to Willoughby (Ohio) | 345.43 mi (555.92 km) |
