How far is San Antonio, TX from Junction, TX?
The driving distance from San Antonio, TX to Junction, TX is about 114.3 miles (183.9 km), with a travel time of about 02h 00m by car.
- The straight-line flight distance is about 106.2 miles (170.9 km).
- For a round trip, plan for roughly 04h 00m 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 02h 00m.
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 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 Junction.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Junction.
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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
12.8 mi · 15 min · McDermott Freeway
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11
Keep slight right
94.3 mi · 1 hr 33 min
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12
Take the exit slight right toward Loop 481: Junction
1 km · 1 min
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13
Continue on South Loop 481
2.7 mi · 4 min · South Loop 481
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14
Continue on Main Street
3084 ft · 1 min · Main Street
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15
Turn right onto North 11th Street
9 m · 1 sec · North 11th Street
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16
Arrive at your destination
0 m · 1 sec · North 11th Street
Car Route Details
A richer read on the saved driving route between San Antonio and Junction.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
McDermott Freeway
Keep slight right
94.3 mi · 01h 33m
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 leaving San Antonio and Mostly Cloudy near Junction.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Junction?
The road trip is about 114.3 miles (183.9 km) and usually takes 02h 00m 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?
Kerrville is a useful midpoint, sitting about 57.2 miles from San Antonio and 57.1 miles from Junction.
How much longer is the road route than the straight-line distance?
The direct path is about 106.2 miles (170.9 km), while the road route adds roughly 8.1 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 2:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.23 one way or $30.46 round trip. Estimated CO2 is about 35.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around San Antonio and Mostly Cloudy near Junction.
Stop Ideas Near Kerrville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Kerrville.
San Antonio Station
San Marcos Station
Flight Path Map
This map shows the direct air route between San Antonio and Junction. Straight-line distance: 106.17 mi (170.87 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 Junction
City in Texas, United States
| Population | 2,434 |
| Coordinates | 30.4893600, -99.7720100 |
| Altitude | 519 |
| Country | United States |
End: Junction (-99.77201, 30.48936)
Estimated Travel Time
Distance: 184 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 48m |
| 40 mph (64.37 km/h) | 02h 51m |
| 50 mph (80.47 km/h) | 02h 17m |
| 60 mph (96.56 km/h) | 01h 54m |
| 70 mph (112.65 km/h) | 01h 37m |
| 80 mph (129 km/h) | 01h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $15.23 | $30.46 |
| Mid-grade | $4.25 | $17.14 | $34.27 |
| Premium | $4.59 | $18.50 | $37.00 |
| Diesel | $3.99 | $16.09 | $32.18 |
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.