The flight time to Great Falls from San Marcos is 2 hours 45 minutes . This is approximate direct flying time, and include average plane speed 510 miles per hour. Total flight distance between San Marcos, TX and Great Falls, MT is about one thousand, four hundred and ten miles or two thousand, two hundred and sixty-nine km. Real time can be different, and depends on the time of day, the type of aircraft, and can be significantly longer if there are transplants during the flight.
Flying time is about 2 hours 45 minutes
Select arrival and departure cities, current are San Marcos, TX and MT
This flight will take about two hours forty-five minutes ;
You can buy ticket to plane or drive by car, check ; distance in miles between San Marcos and Great Falls
| Aircraft | Cruising speed | Time |
| Average | 510 mph | 2 hr 45 min |
| Boeing 737 | 515 mph | 2 hr 44 min |
| Boeing 777 | 554 mph | 2 hr 32 min |
| Airbus | 515 mph | 2 hr 44 min |
Dont forget to include time in airport before and after flight.
| Country | USA |
| State | Texas |
| City | San Marcos, TX |
| Latitude | 29.88327 |
| Longitude | -97.94139 |
| Country | USA |
| State | Montana |
| City | Great Falls, MT |
| Latitude | 47.50024 |
| Longitude | -111.30081 |
Please note: current air time calculator show approximate distance and time between cities San Marcos, TX and Great Falls, MT. This values can be different if you flight from airports in this cities. To calculate exact time can be shown only when you buy ticket to the plane. We do not guarantee that there is an airline that connects city San Marcos and Great Falls. To find out if there is such a flight use the ticket purchase service.