403 Miles - 649 Km
6 hours 10 mins

Distance From San Antonio, TX to Duncan, OK

Driving Distance

403 Miles

649 Km

6 hours 10 mins

Flight Distance

353 Miles

568 Km

1 hours 15 mins

Gas and Emissions

18.66 Gallons

Fuel Needs

0.91 Pounds CO2 fp per miles

Distance, Gas Consumption and Emission Notes

Distance from San Antonio, TX to Duncan, OK is 403Miles or 649 Km. You can get this distance about 6 hours 10 mins. If you want to planning travel with plane, you can get this distance about 1 hours 15 mins .

A car with an average MPG will needs 18.66 gallons of gas to get the route between these points.

The estimated cost of gas to get between San Antonio, TX and Duncan, OK is $42.36.

During the route, an average car will release 365.59 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 San Antonio, TX is 29.4241576, -98.4936411 and coordinates of Duncan, OK is 34.5023346, -97.9582115