Origin
Saint Jo, TX
Afternoon in Saint Jo on Saturday
Local time
12:51 PM
CDT
Current temp
58°F
Unavailable
Live forecast
Trip from Saint Jo, TX to San Antonio, TX
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
5h 42m
Distance
365.6 mi
588 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$55
one way
EV Charging
Unknown
Best Time to Leave
4 AM
5h 30m
★
6 AM
5h 43m
8 AM
6h 9m
10 AM
5h 52m
12 PM
5h 49m
3 PM
5h 53m
5 PM
6h 8m
8 PM
5h 35m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Saint Jo, TX
Wikimedia Commons
San Antonio, TX
Wikimedia Commons
Trip Overview
The drive from Saint Jo, TX to San Antonio, TX covers 365.6 miles and takes about 5h 42m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Interstate 35, I 35W South, I 35W for much of the mileage, and the overall profile is mostly surface roads. At current regular gas prices, budget about $55.24 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
182.8 miles from Saint Jo, TX
A natural place for your longest stop of the day , about 2h 51m into the drive .
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Interstate 35 | — | — |
| I 35W South | — | — |
| I 35W | — | — |
| North South Freeway | — | — |
| North Jack Kultgen Expressway | — | — |
| Purple Heart Trail | — | — |
| Highway 35 | — | — |
| North Pan Am Expressway | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
Interstate 35
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Jo, TX and San Antonio, TX.
1
Start on Broad Street
22 mi
·
24 min
·
Broad Street
2
Turn right onto North Interstate 35
0.8 mi
·
1 min
·
North Interstate 35
3
Take the ramp slight left
0.2 mi
·
24 sec
4
Merge slight left
29 mi
·
29 min
5
Take the exit slight right toward I 35W South, FM 1515: Fort Worth
17 mi
·
18 min
·
I 35W South, FM 1515: Fort Worth
6
Keep slight left to continue on I 35W TEXpress
17 mi
·
16 min
·
I 35W TEXpress
7
Merge slight right onto North South Freeway
85 mi
·
1 hr 27 min
·
North South Freeway
8
Continue on North Jack Kultgen Expressway
6.6 mi
·
7 min
·
North Jack Kultgen Expressway
9
Continue on Purple Heart Trail
38 mi
·
39 min
·
Purple Heart Trail
10
Keep slight left
56 mi
·
58 min
11
Keep slight left to continue on Purple Heart Trail
50 mi
·
54 min
·
Purple Heart Trail
12
Continue on Interstate Highway 35
1.7 mi
·
1 min
·
Interstate Highway 35
13
Continue on Purple Heart Trail
12 mi
·
12 min
·
Purple Heart Trail
14
Continue on North Pan Am Expressway
10.0 mi
·
11 min
·
North Pan Am Expressway
15
Keep slight left to continue on North Pan Am Expressway
6.4 mi
·
8 min
·
North Pan Am Expressway
16
Keep slight left to continue on North Pan Am Expressway
0.6 mi
·
41 sec
·
North Pan Am Expressway
17
Take the exit slight right toward Lexington Avenue, Main Avenue, San Pedro Avenue
0.1 mi
·
17 sec
·
Lexington Avenue, Main Avenue, San Pedro Avenue
18
Turn straight onto East Elmira Street
525 ft
·
17 sec
·
East Elmira Street
19
Turn left onto North Main Avenue
0.2 mi
·
19 sec
·
North Main Avenue
20
Enter the roundabout and take exit 2 toward Navarro Street
161 ft
·
3 sec
·
Navarro Street
21
Exit the roundabout onto Navarro Street
112 ft
·
2 sec
·
Navarro Street
22
Keep slight right to continue on North Main Avenue
0.4 mi
·
52 sec
·
North Main Avenue
23
Turn right onto West Travis Street
223 ft
·
11 sec
·
West Travis Street
24
Turn left onto North Flores Street
0.2 mi
·
20 sec
·
North Flores Street
25
Continue on Military Plaza
390 ft
·
16 sec
·
Military Plaza
26
Turn left onto Dolorosa Street
328 ft
·
8 sec
·
Dolorosa Street
27
Arrive at your destination
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 182.8 miles from Saint Jo, TX, or about 2h 51m into the drive.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 15m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 182.8 miles or 2h 51m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 46m
Traffic, exits, and arrival timing usually matter more near San Antonio, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Saint Jo, TX so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Saint Jo, TX
This is one driving day of about 365.6 miles and 5h 42m.
Your first comfortable stop window is around 80 miles from Saint Jo, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
183 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 182.8 miles from Saint Jo, TX, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$55.24 one way
$110.49 round trip
$3.84/gal
25.4 MPG avg
128 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.20 | $60.47 | $120.94 |
| premium | $4.54 | $65.28 | $130.55 |
| diesel | $5.61 | $80.72 | $161.44 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$55
Meals
$25–$50
Total
$80–$105
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 127.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $38 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 109.7 | 1 | $38.39 | $17.55 |
| Efficient EV | 91.4 | 1 | $31.99 | $14.62 |
| EV Truck/SUV | 146.2 | 1 | $51.18 | $23.40 |
Gas CO2
128 kg
EV CO2
43 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
San Antonio, TX
Afternoon in San Antonio on Saturday
Local time
12:51 PM
CDT
Current temp
77°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
19 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
5h 42m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
365.6 mi in 5h 42m across surface roads — expect steady turns and local traffic rather than long highway runs.
Only 0% highway — the rest is turn-by-turn surface driving.
27 navigation steps total — most of the decisions cluster near the start and finish.
Main road: Interstate 35.
How Hard Is This Drive?
3/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 5h 42m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Saint Jo, TX to San Antonio, TX is straightforward, with well-signed roads and simple exits.
About the Cities
Arriving in San Antonio, TX
Full guide →Founded 1718
San Antonio is the second largest city in the state of Texas and the 7th largest in the United States. It's the 24th largest metropolitan area in the country. Visited by more than 31 million annual visitors, San Antonio is a beautiful city at the axis of three different geological terrains: Hill Country, South Texas Plains and Prairie and Lakes. There's a lot to do in this city: fine art museums, historical missions and plenty of amusement parks in addition to great dining and lots of drinking. The culture and people are vibrant and interesting. San Antonio's downtown is one of the most lively in the nation.
Top landmarks
- • Alamo Mission in San Antonio — historic place in San Antonio, Bexar County, Texas
- • San Antonio Missions National Historical Park — historic district in San Antonio, Bexar County, Texas
- • Fort Sam Houston — military base in San Antonio, Texas
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 5h 42m. Total distance: 365.6 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 42m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
This route does not have any notably tricky sections. Most of the drive from Saint Jo, TX to San Antonio, TX is straightforward, with well-signed roads and simple exits.
Not recommended in a single day. At 5.7 hours each way, a round trip means 11.4 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at San Antonio, TX before the return drive.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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