Distance from Saint Louis, MO to Romeoville, IL is 267Miles or 430 Km. You can get this distance about 4 hours 6 mins. If you want to planning travel with plane, you can get this distance about 1 hours .
A car with an average MPG will needs 12.36 gallons of gas to get the route between these points.
The estimated cost of gas to get between Saint Louis, MO and Romeoville, IL is $28.06.
During the route, an average car will release 242.16 pounds of CO2 to the atmosphere. Your carbon footprint is 0.91 pounds of CO2 per mile.
* Average US MPG used for calculations is 21.6 MPG.
* Average US gas price used for calculation is 2.27 per gallon.
* Coordinates of Saint Louis, MO is 41.64751, -88.08956999999998 and coordinates of Romeoville, IL is 38.62765, -90.19916999999998