Distance from Johnson City, TN to Roanoke, VA is 184Miles or 296 Km. You can get this distance about 2 hours 49 mins. If you want to planning travel with plane for 150 Miles or 240 Km, You can get this distance about 49 mins .
A car with an average MPG will needs 8.52 gallons of gas to get the route between these points.
The estimated cost of gas to get between Johnson City, TN and Roanoke, VA is $19.34.
During the route, an average car will release 166.92 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.