How far is San Antonio, TX from Cross Mountain, TX?
The driving distance from San Antonio, TX to Cross Mountain, TX is about 21.6 miles (34.7 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 18.3 miles (29.4 km).
- For a round trip, plan for roughly 01h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 34m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between San Antonio and Cross Mountain.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Cross Mountain.
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1
Start on Dolorosa Street
44 m · 5 sec · Dolorosa Street
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2
Continue on West Market Street
1042 ft · 28 sec · West Market Street
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3
Turn left onto Navarro Street
1.3 km · 2 min · Navarro Street
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4
Enter the roundabout and take exit 2 toward San Pedro Avenue
26 m · 2 sec · San Pedro Avenue
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5
Exit the roundabout onto San Pedro Avenue
2891 ft · 1 min · San Pedro Avenue
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6
Turn left onto West Cypress Street
604 ft · 10 sec · West Cypress Street
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7
Turn straight onto East Fredericksburg Road
1.2 mi · 2 min · East Fredericksburg Road
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8
Turn right onto Interstate 10 West
657 ft · 13 sec · Interstate 10 West
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9
Take the ramp slight left toward I 10 West, US 87 North
553 ft · 14 sec
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10
Merge slight left onto McDermott Freeway
10.4 mi · 12 min · McDermott Freeway
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11
Take the exit slight right toward Frontage Road
1487 ft · 36 sec
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12
Turn straight onto Interstate 10 West
1.1 km · 1 min · Interstate 10 West
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13
Turn left onto North Loop 1604 West
1.7 mi · 3 min · North Loop 1604 West
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14
Turn right onto Chase Hill Boulevard
1.2 km · 2 min · Chase Hill Boulevard
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15
Turn right onto Babcock Road
3.7 mi · 6 min · Babcock Road
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16
Turn right onto Cielo Vista Drive
2989 ft · 2 min · Cielo Vista Drive
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17
Turn sharp left onto Monarch Pass
1045 ft · 46 sec · Monarch Pass
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18
Turn left onto Chulan Pass Drive
124 m · 20 sec · Chulan Pass Drive
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19
Turn right
58 m · 14 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between San Antonio and Cross Mountain.
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.
McDermott Freeway
Merge slight left onto McDermott Freeway
10.4 mi · 00h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Cloudy leaving San Antonio and Mostly Cloudy near Cross Mountain.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Cross Mountain?
The road trip is about 21.6 miles (34.7 km) and usually takes 00h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Shavano Park is a useful midpoint, sitting about 10.8 miles from San Antonio and 10.7 miles from Cross Mountain.
How much longer is the road route than the straight-line distance?
The direct path is about 18.3 miles (29.4 km), while the road route adds roughly 3.3 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.87 one way or $5.74 round trip. Estimated CO2 is about 6.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around San Antonio and Mostly Cloudy near Cross Mountain.
Stop Ideas Near Shavano Park
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Piazza Italia Park
Fair Oaks Ranch City Office
Municipal Plaza
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Shavano Park.
San Antonio Station
San Marcos Station
Austin
Flight Path Map
This map shows the direct air route between San Antonio and Cross Mountain. Straight-line distance: 18.26 mi (29.38 km).
#1 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 |
#2 Cross Mountain
Census designated place
| Population | 3,124 |
| Coordinates | 29.6455000, -98.6594700 |
| Altitude | 426 |
| Country | United States |
End: Cross Mountain (-98.65947, 29.6455)
Estimated Travel Time
Distance: 35 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 43m |
| 40 mph (64.37 km/h) | 00h 32m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $2.87 | $5.74 |
| Mid-grade | $4.25 | $3.23 | $6.46 |
| Premium | $4.59 | $3.49 | $6.98 |
| Diesel | $3.99 | $3.03 | $6.07 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.