How far is Eldorado, TX from San Antonio, TX?

The driving distance from Eldorado, TX to San Antonio, TX is about 191.4 miles (308 km), with a travel time of about 02h 54m by car.

  • The straight-line flight distance is about 160.3 miles (258 km).
  • For a round trip, plan for roughly 05h 49m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
191.38 mi
02h 54m
Flight
160.3 mi
257.98 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Eldorado.

Flight Distance

Direct air line
160.3 mi
Kilometers
257.98 km
Flight Time
00h 19m

Driving Distance

Road route
191.38 mi
Kilometers
308 km
Drive Time
02h 54m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 02h 54m.

Arrival Snapshot
Arrive in San Antonio
Sun, May 31, 12:51 AM CDT
Return by in Eldorado
Sun, May 31, 3:46 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Eldorado
2026-05-30T21:56
Arrive San Antonio
Sun, May 31, 12:51 AM CDT
Route Timing
02h 54m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:55 AM to 12:55 PM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:40 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Eldorado
9:30 PM CDT
Morning start is best

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Junction
TX

City in Texas, United States

From Eldorado
95.4 mi
01h 27m
To San Antonio
95.9 mi
01h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Tonight

Slight Chance Showers And Thunderstorms then Mostly Clear

Starts
Sat, May 30 6:00 PM CDT
Wind
10 to 15 mph S
Destination
91°F
Today

Mostly Cloudy

Starts
Sat, May 30 11:00 AM CDT
Wind
5 to 10 mph S

Driving Route Map

The map below follows the saved road route between Eldorado and San Antonio.

Turn-by-Turn Driving Directions

Step-by-step road directions between Eldorado and San Antonio.

  1. 1

    Start on South Divide Street

    20.4 mi · 23 min · South Divide Street

  2. 2

    Turn left onto North Water Avenue

    726 ft · 23 sec · North Water Avenue

  3. 3

    Take the ramp left toward I 10 East: San Antonio

    1020 ft · 25 sec

  4. 4

    Merge slight left

    149.4 mi · 2 hr 24 min

  5. 5

    Keep slight right

    17.4 mi · 20 min

  6. 6

    Keep slight right to continue on McDermott Freeway

    1.7 mi · 2 min · McDermott Freeway

  7. 7

    Take the exit slight right toward Santa Rosa Street, Downtown

    2505 ft · 1 min

  8. 8

    Turn straight onto North Pecos-La Trinidad

    804 ft · 16 sec · North Pecos-La Trinidad

  9. 9

    Keep slight right to continue on North Pecos-La Trinidad

    2963 ft · 1 min · North Pecos-La Trinidad

  10. 10

    Turn left onto Dolorosa Street

    2582 ft · 56 sec · Dolorosa Street

  11. 11

    Arrive at your destination

    0 m · 1 sec · Dolorosa Street

Car Route Details

A richer read on the saved driving route between Eldorado and San Antonio.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
11 steps
3 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
5.7 / 100 mi
Decision points by distance
Main Roads
I 10 East
167 mi · 87%
South Divide Street
20.4 mi · 11%
McDermott Freeway
1.65 mi · 1%
North Pecos-La Trinidad
0.71 mi
Dolorosa Street
0.49 mi
Santa Rosa Street
0.47 mi
Longest Stretch

I 10 East

Merge slight left

149 mi · 02h 24m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 54m
Day trip friendly
Same-Day Return
05h 50m
Round-trip wheel time
Road vs Air
+31.1 mi
160.3 mi direct line
Halfway Stop
Junction
01h 27m from Eldorado
Leave By
12:40 PM CDT
Morning start is best
Weather Watch

Slight Chance Showers And Thunderstorms then Mostly Clear leaving Eldorado and Mostly Cloudy near San Antonio.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Eldorado to San Antonio?

The road trip is about 191.4 miles (308 km) and usually takes 02h 54m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Junction is a useful midpoint, sitting about 95.4 miles from Eldorado and 95.9 miles from San Antonio.

How much longer is the road route than the straight-line distance?

The direct path is about 160.3 miles (258 km), while the road route adds roughly 31.1 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 12:40 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.51 one way or $51.02 round trip. Estimated CO2 is about 60 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Showers And Thunderstorms then Mostly Clear around Eldorado and Mostly Cloudy near San Antonio.

Flight Path Map

This map shows the direct air route between Eldorado and San Antonio. Straight-line distance: 160.3 mi (257.98 km).

Eldorado

#1 Eldorado

City in Texas, United States

Population1,566
Coordinates30.8601700, -100.6009300
Altitude743
CountryUnited States
San Antonio

#2 San Antonio

The seventh most populous city in the United States and the center of the San Antonio metropolitan area.

Population1,567,118
Coordinates29.4241200, -98.4936300
Altitude198
CountryUnited States
Start: (-100.600839, 30.860092)
End: Dolorosa Street (-98.493645, 29.424163)

Estimated Travel Time

Distance: 308 km by road

SpeedTime
30 mph (48.3 km/h)06h 22m
40 mph (64.37 km/h)04h 47m
50 mph (80.47 km/h)03h 49m
60 mph (96.56 km/h)03h 11m
70 mph (112.65 km/h)02h 44m
80 mph (129 km/h)02h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.75 gal
25.56 L · about $25.51
Round trip
$51.02
13.5 gal · 51.12 L
Estimated CO2
60 kg one way
Round trip: 120 kg / 265 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $25.51 $51.02
Mid-grade $4.25 $28.70 $57.40
Premium $4.59 $30.99 $61.98
Diesel $3.99 $26.95 $53.91

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Texas · May 31, 2026

There is no time difference between Eldorado and San Antonio. The current time is 21:56:43.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.