| Romeoville to Worthington (Ohio) | 285.78 mi (459.92 km) |
| Romeoville to Wright (Florida) | 777.21 mi (1,250.80 km) |
| Romeoville to Wyandanch (New York) | 767.69 mi (1,235.47 km) |
| Romeoville to Wyandotte (Michigan) | 257.26 mi (414.02 km) |
| Romeoville to Wylie (Texas) | 751.84 mi (1,209.97 km) |
| Romeoville to Wyndham (Virginia) | 620.10 mi (997.95 km) |
| Romeoville to Wyoming (Michigan) | 150.13 mi (241.61 km) |
| Romeoville to Wyomissing (Pennsylvania) | 638.46 mi (1,027.51 km) |
| Romeoville to Xenia (Ohio) | 256.16 mi (412.25 km) |
| Romeoville to Yakima (Washington) | 1,633.61 mi (2,629.05 km) |
| Romeoville to Yankton (South Dakota) | 482.82 mi (777.03 km) |
| Romeoville to Yauco (Puerto Rico) | 2,056.22 mi (3,309.17 km) |
| Romeoville to Yazoo City (Mississippi) | 619.02 mi (996.22 km) |
| Romeoville to Yeadon (Pennsylvania) | 681.63 mi (1,096.97 km) |
| Romeoville to Yelm (Washington) | 1,731.84 mi (2,787.12 km) |
