| Romeoville to Watervliet (New York) | 739.90 mi (1,190.75 km) |
| Romeoville to Watsonville (California) | 1,818.16 mi (2,926.05 km) |
| Romeoville to Wauconda (Illinois) | 44.47 mi (71.57 km) |
| Romeoville to Waukee (Iowa) | 298.89 mi (481.02 km) |
| Romeoville to Waukegan (Illinois) | 52.32 mi (84.20 km) |
| Romeoville to Waukesha (Wisconsin) | 95.43 mi (153.58 km) |
| Romeoville to Waunakee (Wisconsin) | 127.25 mi (204.79 km) |
| Romeoville to Waupun (Wisconsin) | 141.92 mi (228.39 km) |
| Romeoville to Wausau (Wisconsin) | 242.86 mi (390.85 km) |
| Romeoville to Wauwatosa (Wisconsin) | 98.85 mi (159.08 km) |
| Romeoville to Waverly (Iowa) | 236.18 mi (380.09 km) |
| Romeoville to Waverly (Michigan) | 193.16 mi (310.87 km) |
| Romeoville to Waxahachie (Texas) | 798.60 mi (1,285.23 km) |
| Romeoville to Waxhaw (North Carolina) | 610.38 mi (982.31 km) |
| Romeoville to Waycross (Georgia) | 787.13 mi (1,266.76 km) |
