How far is San Antonio, TX from Marion, TX?
The driving distance from San Antonio, TX to Marion, TX is about 28.3 miles (45.6 km), with a travel time of about 00h 36m by car.
- The straight-line flight distance is about 23.5 miles (37.9 km).
- For a round trip, plan for roughly 01h 12m 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 36m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between San Antonio and Marion.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Marion.
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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
1893 ft · 42 sec · West Market Street
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3
Continue on East Market Street
2143 ft · 46 sec · East Market Street
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4
Turn left
111 m · 13 sec
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5
Turn straight onto East Commerce Street
1.2 km · 1 min · East Commerce Street
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6
Keep slight left to continue on East Commerce Street
2.7 mi · 4 min · East Commerce Street
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7
Turn slight right onto East Houston Street
1349 ft · 31 sec · East Houston Street
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8
Turn left onto Interstate 10 East
583 ft · 12 sec · Interstate 10 East
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9
Take the ramp slight left toward I 10 East, US 90 East
874 ft · 21 sec
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10
Merge slight left onto Jose Lopez Freeway
1.8 mi · 2 min · Jose Lopez Freeway
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11
Continue on 90th Infantry Division Highway
17.8 mi · 19 min · 90th Infantry Division Highway
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12
Take the exit slight right toward FM 465: Marion
158 m · 13 sec
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13
Turn slight left onto West Interstate 10
18 m · 4 sec · West Interstate 10
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14
Turn right
528 ft · 23 sec
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15
Keep slight left
55 m · 8 sec
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16
Continue on Linne Road
134 m · 9 sec · Linne Road
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17
Continue on Farm-to-Market Road 465
3.1 mi · 5 min · Farm-to-Market Road 465
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18
Continue on South Center Street
2771 ft · 55 sec · South Center Street
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19
Arrive at your destination
0 m · 1 sec · South Center Street
Car Route Details
A richer read on the saved driving route between San Antonio and Marion.
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.
90th Infantry Division Highway
Continue on 90th Infantry Division Highway
17.8 mi · 00h 19m
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 Chance Showers And Thunderstorms near Marion.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Marion?
The road trip is about 28.3 miles (45.6 km) and usually takes 00h 36m 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?
Converse is a useful midpoint, sitting about 14.2 miles from San Antonio and 14.2 miles from Marion.
How much longer is the road route than the straight-line distance?
The direct path is about 23.5 miles (37.9 km), while the road route adds roughly 4.8 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 7:18 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.78 one way or $7.56 round trip. Estimated CO2 is about 8.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around San Antonio and Chance Showers And Thunderstorms near Marion.
Stop Ideas Near Converse
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Piazza Italia Park
Schertz EMS
Converse City Hall
Municipal Plaza
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Converse.
San Antonio Station
San Marcos Station
Austin
Flight Path Map
This map shows the direct air route between San Antonio and Marion. Straight-line distance: 23.56 mi (37.91 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 Marion
Marion is a city in the US state of Texas, situated in Guadalupe County .
| Population | 1,281 |
| Coordinates | 29.5713400, -98.1402900 |
| Altitude | 197 |
| Country | United States |
End: Marion (-98.14029, 29.57134)
Estimated Travel Time
Distance: 46 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 56m |
| 40 mph (64.37 km/h) | 00h 42m |
| 50 mph (80.47 km/h) | 00h 33m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $3.78 | $7.56 |
| Mid-grade | $4.25 | $4.25 | $8.50 |
| Premium | $4.59 | $4.59 | $9.18 |
| Diesel | $3.99 | $3.99 | $7.99 |
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.