Planning a trip from Florence, TX, to San Antonio, TX? This 124.6-mile drive typically takes about 2 hours and 20 minutes. With a fuel cost estimated at $19, it's an economical option for a single-day excursion. The journey primarily utilizes the Purple Heart Trail and North Pan Am Expressway, with a brief section on TX 195. This route is well-suited as a day trip, allowing you to reach your destination without needing an overnight stay. You'll be traveling within the Great Plains region for the entirety of this Texas-bound drive.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
62.3 miles from Florence, TX
A natural place for your longest stop of the day
, about 1h 9m into the drive
.
Step-by-step road directions between Florence, TX and San Antonio, TX.
1
Start on FM 487
0.4 mi·56 sec·East Main Street
2
Take the ramp
0.3 mi·44 sec
Toward TX 195 South
3
Merge onto TX 195
13 mi·14 min·TX 195
Use the straight / slight right lanes.
4
Take the exit
0.2 mi·17 sec
5
Continue on North Interstate 35
0.2 mi·16 sec·North Interstate 35
6
Continue on North Interstate 35
0.6 mi·46 sec·North Interstate 35
7
Take the ramp
0.4 mi·45 sec
Toward I 35 South: Austin
8
Merge onto I 35
28 mi·30 min·Purple Heart Trail
Use the straight / slight right lanes.
9
Keep slight left at fork onto I 35; US 290
50 mi·54 min·Purple Heart Trail
Toward 32nd Street, Dean Keeton StreetUse the slight left lane.
10
Continue on I 35
1.7 mi·1 min·Interstate Highway 35
Use the straight / slight right lanes.
11
Continue on I 35
12 mi·12 min·Purple Heart Trail
Use the straight / slight right lanes.
12
Continue on I 35
10.0 mi·11 min·North Pan Am Expressway
Use the straight / slight right lanes.
13
Keep slight left at fork onto I 35
6.4 mi·8 min·North Pan Am Expressway
Toward I 35 SouthUse the straight / slight right lanes.
14
Keep slight left at fork onto I 35
0.6 mi·41 sec·North Pan Am Expressway
Toward I 35 South: Lower Level, LaredoUse the slight left lane.
15
Take the exit
0.1 mi·16 sec
Exit 157AToward Lexington Avenue, Main Avenue, San Pedro AvenueUse the slight right lane.
16
Turn straight onto East Elmira Street
526 ft·17 sec·East Elmira Street
Use the left / straight lanes.
17
Turn left onto North Main Avenue
0.2 mi·18 sec·North Main Avenue
Use the left / straight lanes.
18
Enter roundabout onto Navarro Street
159 ft·3 sec·Navarro Street
19
Continue on Navarro Street
111 ft·2 sec·Navarro Street
20
Keep slight right at fork onto North Main Avenue
0.4 mi·51 sec·North Main Avenue
Use the slight left / slight right lanes.
21
Turn right onto West Travis Street
222 ft·10 sec·West Travis Street
22
Turn left onto North Flores Street
0.2 mi·20 sec·North Flores Street
23
Continue on Military Plaza
392 ft·15 sec·Military Plaza
24
Turn left onto Dolorosa Street
327 ft·8 sec·Dolorosa Street
25
Arrive at destination
Dolorosa Street
Trip Plan
For this 2-hour and 20-minute drive, consider an early morning departure from Florence to maximize your daylight hours in San Antonio. Given the route's 'turn-heavy' nature, stay attentive to navigation, especially when transitioning between the Purple Heart Trail, North Pan Am Expressway, and TX 195. With no specific stops recommended, you have the flexibility to pull over as needed for breaks. The manageable distance and estimated $19 fuel cost make this a straightforward, single-day trip.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 62.3 miles from Florence, TX, or about 1h 9m into the drive.
The longest continuous stretch on this route runs about 89.6 miles.
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 27 miles or 30m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 62.3 miles or 1h 9m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 53m
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 Florence, 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 Florence, TX
This is one driving day of about 124.6 miles and 2h 20m.
Your first comfortable stop window is around 27 miles from Florence, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on Purple Heart Trail for about 89.6 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 16
5 decision points cluster between mile 43 and 123.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
43 mi into trip|~48m in|I 35; US 290 / Purple Heart Trail
Keep slight left at fork onto I 35; US 290 / Purple Heart Trail toward 32nd Street, Dean Keeton Street
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward 32nd Street, Dean Keeton Street
7
116.4 mi into trip|~2h 9m in|I 35 / North Pan Am Expressway
Keep slight left at fork onto I 35 / North Pan Am Expressway toward I 35 South
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 35 South
8
122.8 mi into trip|~2h 17m in|I 35 / North Pan Am Expressway
Keep slight left at fork onto I 35 / North Pan Am Expressway toward I 35 South: Lower Level, Laredo
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward I 35 South: Lower Level, Laredo
8
123.4 mi into trip|~2h 18m in
Take the exit toward Lexington Avenue, Main Avenue, San Pedro Avenue
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 157A
Toward Lexington Avenue, Main Avenue, San Pedro...
6
123.6 mi into trip|~2h 18m in|North Main Avenue
Turn left onto North Main Avenue
Lane positioning matters here
Use the left / straight lanes.
Fuel & Cost
Regular Gas
$18.83 one way
$37.65 round trip
$3.84/gal25.4 MPG avg44 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$20.61
$41.22
premium
$4.54
$22.25
$44.49
diesel
$5.61
$27.51
$55.02
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$19
Meals
$25–$50
Total
$44–$69
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 43.6 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $13 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
37.4
0
$13.08
$5.98
Efficient EV
31.2
0
$10.90
$4.98
EV Truck/SUV
49.8
0
$17.44
$7.97
Gas CO2
44 kg
EV CO2
15 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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.
Forecast as of Apr 15, 2026
Origin
Florence, TX
Morning
in Florence on Sunday
Local time
9:20 AM
CDT
Current temp
60°F
Unavailable
Live forecast
Destination
San Antonio, TX
Morning
in San Antonio on Sunday
Local time
9:20 AM
CDT
Current temp
77°F
Unavailable
Live forecast
62°F
San Marcos, TX
62 mi in
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
17 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
2h 20m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
San Antonio Missions National Historical Park
National Historical Park
Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas. Each mission in the park is a center of community and has been since the early 1700s. Th...
9 mi from route
~22 min detour
Free
near mile 124.6
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive offers a 'turn-heavy local drive' profile, meaning you'll encounter more frequent changes in direction than on a pure interstate route. While 26% of the journey involves highway driving, the longest continuous stretch you'll experience is 89.6 miles along the Purple Heart Trail. Expect a dynamic driving experience that shifts between more direct highway segments and navigated local roads as you progress toward San Antonio.
Only 26% highway — the rest is turn-by-turn surface driving.
25 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 89.6 mi on Purple Heart Trail.
How Hard Is This Drive?
9/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 43 miles in near I 35; US 290 / Purple Heart Trail.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 16 significant decision points across 124.6 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 43 miles (I 35; US 290 / Purple Heart Trail): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 116.4 miles (I 35 / North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here; at 122.8 miles (I 35 / North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
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
Doable as a same-day drive at 2h 20m. Total distance: 124.6 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
2h 20m drive, comfortable solo distance.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 89.6 miles on Purple Heart Trail. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at San Antonio, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 43 miles (I 35; US 290 / Purple Heart Trail): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 116.4 miles (I 35 / North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here; at 122.8 miles (I 35 / North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — San Antonio Missions National Historical Park. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at San Antonio, TX before heading back.
