How far is San Marcos, TX from San Antonio, TX?
Distance by Flight
Shortest distance between San Marcos and San Antonio is 45.89 miles (73.85 km).
Flight distance from San Marcos, TX to San Antonio, TX is 45.89 miles. Estimated flight time is 00 hours 06 minutes.
Driving distance
The driving distance from San Marcos, Texas to San Antonio, Texas is: 49.87 miles (80.25 km) by car.
Driving from San Marcos to San Antonio will take approximately 00 hours 52 minutes.
#1 San Marcos
The most populous city in Hays County, Texas. It is located in the Austin metropolitan area. San Marcos is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the San Marcos State University campus and the San Marcos Aquatic Center.
| Population | 66350 |
|---|---|
| GPS Coordinates | 29°52'60"N 97°56'29"W |
| Latitude | 29.8832700 |
| Longitude | -97.9413900 |
| Altitude | 188 |
| Country | United States |
#2 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area. It is located on the San Antonio River, in southern Texas. San Antonio is a major center for the tourism industry.
| Population | 1567118 |
|---|---|
| GPS Coordinates | 29°25'27"N 98°29'37"W |
| Latitude | 29.4241200 |
| Longitude | -98.4936300 |
| Altitude | 198 |
| Country | United States |
Ending point in San Antonio: Dolorosa Street (-98.493645,29.424163)
Estimated Travel Time Between San Marcos and San Antonio
The distance between San Marcos and San Antonio is 80 km if you choose to drive by road. You can go 00 hours 53 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between San Marcos and San Antonio. The current time is 01:16:24.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 01 hours 39 minutes |
| 40 mph (64.37 km/h) | 01 hours 14 minutes |
| 50 mph (80.47 km/h) | 00 hours 59 minutes |
| 60 mph (96.56 km/h) | 00 hours 49 minutes |
| 70 mph (112.65 km/h) | 00 hours 42 minutes |
| 75 mph (120.7 km/h) | 00 hours 39 minutes |
| 80 mph (128.75 km/h) | 00 hours 37 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 6.66 liters (1.76 gallon) of gas to cover the route between San Marcos and San Antonio.
The estimated cost of gas to go from San Marcos to San Antonio is $5.32 (diesel $7.03).
Texas gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.02 | $3.45 | $3.78 | $3.99 |
| Total | $5.32 | $6.06 | $6.65 | $7.03 |
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price (in Texas ) per gallon of daily gas for calculations is $3.021 (Diesel $3.993) /gallon. Last changed prices on December 22, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between San Marcos and San Antonio (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
