How far is San Antonio from the ocean?
San Antonio is inland, 121 miles (194 km) from the nearest coastline in a straight line. The nearest stretch of coast is in Texas, United States.
To the coast
121 miles
194 km · straight line
Nearest land border
128 miles
with Mexico
Setting
Inland
64th farthest from the ocean of 182 cities
San AntonioNearest point on the coast
How far are you from the ocean?
Measure from where you are standing. On a phone this uses GPS, so the answer is for your exact spot, not the city centre.
San Antonio at a glance
- Coordinates
- 29.4241° N, 98.4936° W
- Region
- Texas, United States
- Distance to the coast
- 121 miles (194 km), in a straight line
- Nearest point on the coast
- 28.7234° N, 96.6644° W (Texas, United States)
- Nearest land border
- 128 miles (207 km), with Mexico
- Among United States's cities
- 23rd farthest from the ocean of the 40 cities measured
Nearby cities and the coast
| City | Country | To the coast |
|---|---|---|
| Austin | United States | 124 miles (200 km) |
| Houston | United States | 21 miles (34 km) |
| Fort Worth | United States | 248 miles (399 km) |
| Dallas | United States | 236 miles (380 km) |
| Oklahoma City | United States | 422 miles (679 km) |
| El Paso | United States | 361 miles (581 km) |
Questions
How far is San Antonio from the ocean?
San Antonio is inland, 121 miles (194 km) from the nearest coastline in a straight line. The nearest stretch of coast is in Texas, United States.
Is that the driving distance?
No. 121 miles (194 km) is the straight-line distance from the city centre to the nearest point on the shore. The drive to a beach is longer, often much longer, and depends on the roads.
How far is San Antonio from the nearest border?
San Antonio is 128 miles (207 km) from the nearest land border, with Mexico, in a straight line.
Where in San Antonio is this measured from?
From the city's centre point (29.4241° N, 98.4936° W). A large city spreads out, so some neighbourhoods are closer to the ocean than this and some farther. For an exact figure from where you are, use your own location.
Measured by MapGO on October 8, 2026 with the same coastline data as the distance to coastline calculator. All distances are straight lines over the Earth's surface.