How far is Lake Dunlap, TX from San Antonio, TX?
The driving distance from Lake Dunlap, TX to San Antonio, TX is about 36.8 miles (59.3 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 30.7 miles (49.4 km).
- For a round trip, plan for roughly 01h 32m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 00h 46m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Bexar County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Slight Chance Showers And Thunderstorms
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Lake Dunlap and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lake Dunlap and San Antonio.
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1
Start on the route
130 m · 37 sec
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2
Turn left onto Potthast Drive
1920 ft · 1 min · Potthast Drive
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3
Turn left onto East Zipp Road
1.1 mi · 2 min · East Zipp Road
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4
Turn right onto Farm-to-Market Road 725
2.6 mi · 4 min · Farm-to-Market Road 725
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5
Turn left onto Interstate 35 South
663 ft · 13 sec · Interstate 35 South
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6
Take the ramp straight toward I 35 South
1009 ft · 25 sec
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7
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
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8
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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9
Continue on North Pan Am Expressway
10 mi · 12 min · North Pan Am Expressway
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10
Keep slight left to continue on North Pan Am Expressway
6.4 mi · 8 min · North Pan Am Expressway
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11
Keep slight left to continue on North Pan Am Expressway
2907 ft · 41 sec · North Pan Am Expressway
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12
Take the exit slight right toward Lexington Avenue, Main Avenue, San Pedro Avenue
684 ft · 17 sec
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13
Turn straight onto East Elmira Street
526 ft · 17 sec · East Elmira Street
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14
Turn left onto North Main Avenue
830 ft · 19 sec · North Main Avenue
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15
Enter the roundabout and take exit 2 toward Navarro Street
49 m · 3 sec · Navarro Street
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16
Exit the roundabout onto Navarro Street
34 m · 2 sec · Navarro Street
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17
Keep slight right to continue on North Main Avenue
2181 ft · 52 sec · North Main Avenue
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18
Turn right onto West Travis Street
68 m · 11 sec · West Travis Street
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19
Turn left onto North Flores Street
807 ft · 20 sec · North Flores Street
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20
Continue on Military Plaza
119 m · 16 sec · Military Plaza
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21
Turn left onto Dolorosa Street
100 m · 8 sec · Dolorosa Street
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22
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Lake Dunlap and San Antonio.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Purple Heart Trail
Continue on Purple Heart Trail
11.9 mi · 00h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Cloudy then Slight Chance Showers And Thunderstorms leaving Lake Dunlap 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 Lake Dunlap to San Antonio?
The road trip is about 36.8 miles (59.3 km) and usually takes 00h 46m 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?
Selma is a useful midpoint, sitting about 18.1 miles from Lake Dunlap and 18.7 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 30.7 miles (49.4 km), while the road route adds roughly 6.1 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 4:58 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.91 one way or $9.83 round trip. Estimated CO2 is about 11.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Slight Chance Showers And Thunderstorms around Lake Dunlap and Mostly Cloudy near San Antonio.
Stop Ideas Near Selma
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
New Braunfels Parks and Recreation
Schertz EMS
Converse City Hall
Castle Hills
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Selma.
San Antonio Station
San Marcos Station
Austin
Flight Path Map
This map shows the direct air route between Lake Dunlap and San Antonio. Straight-line distance: 30.72 mi (49.44 km).
#1 Lake Dunlap
Census-designated place in Texas
| Population | 1,934 |
| Coordinates | 29.6757800, -98.0722300 |
| Altitude | 180 |
| Country | United States |
#2 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area.
| Population | 1,567,118 |
| Coordinates | 29.4241200, -98.4936300 |
| Altitude | 198 |
| Country | United States |
End: Dolorosa Street (-98.493645, 29.424163)
Estimated Travel Time
Distance: 59 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 13m |
| 40 mph (64.37 km/h) | 00h 55m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 36m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $4.91 | $9.83 |
| Mid-grade | $4.25 | $5.53 | $11.06 |
| Premium | $4.59 | $5.97 | $11.94 |
| Diesel | $3.99 | $5.19 | $10.38 |
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 06, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.