| Romeoville to Waimea (Hawaii) | 4,165.33 mi (6,703.46 km) |
| Romeoville to Waipahu (Hawaii) | 4,230.53 mi (6,808.38 km) |
| Romeoville to Waipio (Hawaii) | 4,228.66 mi (6,805.37 km) |
| Romeoville to Wake Forest (North Carolina) | 647.27 mi (1,041.68 km) |
| Romeoville to Wakefield (Virginia) | 604.31 mi (972.54 km) |
| Romeoville to Waldorf (Maryland) | 625.99 mi (1,007.43 km) |
| Romeoville to Walker (Michigan) | 152.39 mi (245.25 km) |
| Romeoville to Walker Mill (Maryland) | 620.70 mi (998.92 km) |
| Romeoville to Walla Walla (Washington) | 1,527.77 mi (2,458.70 km) |
| Romeoville to Wallingford Center (Connecticut) | 789.31 mi (1,270.28 km) |
| Romeoville to Wallington (New Jersey) | 728.15 mi (1,171.84 km) |
| Romeoville to Walnut (California) | 1,696.90 mi (2,730.90 km) |
| Romeoville to Walnut Creek (California) | 1,808.99 mi (2,911.28 km) |
| Romeoville to Walnut Park (California) | 1,717.48 mi (2,764.01 km) |
| Romeoville to Waltham (Massachusetts) | 865.58 mi (1,393.02 km) |
