How far is Gregory, TX from San Antonio, TX?
The driving distance from Gregory, TX to San Antonio, TX is about 145.8 miles (234.6 km), with a travel time of about 02h 13m by car.
- The straight-line flight distance is about 126.8 miles (204.1 km).
- For a round trip, plan for roughly 04h 26m 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 13m.
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 Live Oak County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Gregory and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gregory and San Antonio.
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1
Start on East 4th Street
1 mi · 2 min · East 4th Street
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2
Take the ramp straight
2101 ft · 51 sec
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3
Merge slight left onto US Highway 181
5.3 mi · 6 min · US Highway 181
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4
Continue on Railroad Avenue
1.3 mi · 2 min · Railroad Avenue
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5
Continue on US Highway 181
6 mi · 7 min · US Highway 181
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6
Continue on State Highway 89
2.7 mi · 3 min · State Highway 89
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7
Take the exit left
1755 ft · 43 sec
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8
Merge slight left
1.2 mi · 1 min
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9
Take the exit slight right toward Texas 188: Sinton
2309 ft · 1 min
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10
Turn right
15 mi · 19 min
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11
Turn right onto I-37 Access Road
1127 ft · 23 sec · I-37 Access Road
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12
Take the ramp slight left
939 ft · 23 sec
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13
Merge slight left
110 mi · 1 hr 52 min
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14
Take the exit slight right toward Commerce Street, Downtown, The Alamo
1358 ft · 33 sec
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15
Turn straight onto Interstate 37 South
116 m · 12 sec · Interstate 37 South
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16
Turn left onto East Commerce Street
1.4 km · 2 min · East Commerce Street
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17
Turn left onto Military Plaza
119 m · 16 sec · Military Plaza
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18
Turn left onto Dolorosa Street
100 m · 8 sec · Dolorosa Street
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19
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Gregory and San Antonio.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I-37 Access Road
Merge slight left
110 mi · 01h 52m
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.
Chance Showers And Thunderstorms leaving Gregory and Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gregory to San Antonio?
The road trip is about 145.8 miles (234.6 km) and usually takes 02h 13m 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?
Three Rivers is a useful midpoint, sitting about 72.8 miles from Gregory and 72.9 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 126.8 miles (204.1 km), while the road route adds roughly 19 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 2:04 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.42 one way or $38.85 round trip. Estimated CO2 is about 45.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Gregory and Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms near San Antonio.
Stop Ideas Near Three Rivers
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 Three Rivers.
San Antonio Station
Flight Path Map
This map shows the direct air route between Gregory and San Antonio. Straight-line distance: 126.85 mi (204.15 km).
#1 Gregory
City in Texas, USA
| Population | 1,866 |
| Coordinates | 27.9222400, -97.2899900 |
| Altitude | 9 |
| 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: 235 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 51m |
| 40 mph (64.37 km/h) | 03h 38m |
| 50 mph (80.47 km/h) | 02h 54m |
| 60 mph (96.56 km/h) | 02h 25m |
| 70 mph (112.65 km/h) | 02h 04m |
| 80 mph (129 km/h) | 01h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $19.42 | $38.85 |
| Mid-grade | $4.25 | $21.86 | $43.71 |
| Premium | $4.59 | $23.60 | $47.20 |
| Diesel | $3.99 | $20.52 | $41.05 |
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.