Origin
Denton, TX
Afternoon in Denton on Sunday
Local time
1:25 PM
CDT
Current temp
58°F
Unavailable
Live forecast
Trip from Denton, TX to San Antonio, TX
Drive Time
5h 27m
Distance
303.5 mi
488 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$46
one way
Photo: Wikimedia Commons
Trip Overview
Traveling from Denton to San Antonio covers 323.2 miles, typically requiring 4 hours and 44 minutes of drive time. Because you are staying within the Great Plains region throughout the entire trip, you will notice a consistent landscape as you move south. This route is manageable as a single-day journey, though you should budget approximately $48 for fuel to cover the distance. Since the path relies on local roads rather than major expressways, it offers a different experience than a standard interstate trek. Plan for at least one stop to break up the drive and keep your energy levels steady behind the wheel.
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
151.8 miles from Denton, TX
A natural place for your longest stop of the day , about 2h 41m into the drive .
Drive Character
Expect a turn-heavy local drive that keeps you engaged rather than cruising on autopilot. Unlike highway-dominant trips, this route features a 0% highway share, meaning you will navigate through South Austin Street, East Walnut Street, and South Elm Street for the duration of your travel. Because there is no single long-distance stretch—the longest uninterrupted segment is 0 miles on South Austin Street—you should prepare for frequent turns and varied road conditions. This setup makes for a more technical driving experience that requires your full focus compared to a monotonous interstate grind. Navigating these local arteries provides a hands-on perspective of the Texas landscape as you head toward San Antonio.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 33 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Purple Heart Trail is the longest continuous segment at about 99.6 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on Purple Heart Trail and North South Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 20.3 miles in near I 35W Express / I 35W TEXpress.
Route Complexity
8/10
Demanding - plan breaks and stay ahead of the key maneuvers
This is a demanding drive. With 22 significant decision points across 303.5 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 20.3 miles (I 35W Express / I 35W TEXpress): Highway fork - watch signs carefully. Lane positioning matters here; at 221.9 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 295.4 miles (I 35 / North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 22 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
20.3 mi into trip
|
~24m in
|
I 35W Express / I 35W TEXpress
Keep slight left at fork onto I 35W Express / I 35W TEXpress
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight left lanes.
8
221.9 mi into trip
|
~3h 54m 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
295.4 mi into trip
|
~5h 15m 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
301.8 mi into trip
|
~5h 23m 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
302.3 mi into trip
|
~5h 24m 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...
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Purple Heart Trail | 99.6 mi | 1h 46m |
| North South Freeway | 84.6 mi | 1h 27m |
| I 35 | 55.8 mi | 58m |
| North Pan Am Expressway | 17 mi | 20m |
| I 35W TEXpress | 16.7 mi | 16m |
| I 35W | 16.6 mi | 17m |
| North Jack Kultgen Expressway | 6.6 mi | 7m |
| Interstate Highway 35 | 1.7 mi | 1m |
Longest stretch:
Purple Heart Trail
— 99.6 mi, about 1h 46m
Turn-by-Turn Driving Directions
Step-by-step road directions between Denton, TX and San Antonio, TX.
1
Start on West Hickory Street
379 ft
·
20 sec
·
West Hickory Street
2
Turn right onto South Austin Street
203 ft
·
10 sec
·
South Austin Street
3
Turn right onto East Walnut Street
0.1 mi
·
30 sec
·
East Walnut Street
4
Turn left onto South Elm Street
0.5 mi
·
58 sec
·
South Elm Street
5
Continue on Spur 377
0.2 mi
·
25 sec
·
Fort Worth Drive
6
Turn left onto Spur 377
0.6 mi
·
1 min
·
Fort Worth Drive
7
Turn right onto North Interstate 35E
0.2 mi
·
26 sec
·
North Interstate 35E
Use the right lane.
8
Take the ramp
480 ft
·
11 sec
Toward I 35E North
9
Merge onto I 35E; US 77
1.0 mi
·
1 min
·
I 35E; US 77
Use the straight / slight right lanes.
10
Take the exit
0.8 mi
·
1 min
Toward I 35W South: Fort Worth
11
Merge onto I 35W
17 mi
·
17 min
·
I 35W
Use the straight / slight right lanes.
12
Keep slight left at fork onto I 35W Express
17 mi
·
16 min
·
I 35W TEXpress
Use the straight / slight left lanes.
13
Merge onto I 35W
85 mi
·
1 hr 27 min
·
North South Freeway
Use the straight / slight right lanes.
14
Continue on I 35; US 77
6.6 mi
·
7 min
·
North Jack Kultgen Expressway
Use the straight / slight right lanes.
15
Continue on I 35
38 mi
·
39 min
·
Purple Heart Trail
Use the straight / slight right lanes.
16
Keep slight left at fork onto I 35
56 mi
·
58 min
·
I 35
Use the straight / slight right lanes.
17
Keep slight left at fork onto I 35; US 290
50 mi
·
54 min
·
Purple Heart Trail
Toward 32nd Street, Dean Keeton Street
Use the slight left lane.
18
Continue on I 35
1.7 mi
·
1 min
·
Interstate Highway 35
Use the straight / slight right lanes.
19
Continue on I 35
12 mi
·
12 min
·
Purple Heart Trail
Use the straight / slight right lanes.
20
Continue on I 35
10.0 mi
·
11 min
·
North Pan Am Expressway
Use the straight / slight right lanes.
21
Keep slight left at fork onto I 35
6.4 mi
·
8 min
·
North Pan Am Expressway
Toward I 35 South
Use the straight / slight right lanes.
22
Keep slight left at fork onto I 35
0.6 mi
·
41 sec
·
North Pan Am Expressway
Toward I 35 South: Lower Level, Laredo
Use the slight left lane.
23
Take the exit
0.1 mi
·
16 sec
Exit 157A
Toward Lexington Avenue, Main Avenue, San Pedro Avenue
Use the slight right lane.
24
Turn straight onto East Elmira Street
526 ft
·
17 sec
·
East Elmira Street
Use the left / straight lanes.
25
Turn left onto North Main Avenue
0.2 mi
·
18 sec
·
North Main Avenue
Use the left / straight lanes.
26
Enter roundabout onto Navarro Street
159 ft
·
3 sec
·
Navarro Street
27
Continue on Navarro Street
111 ft
·
2 sec
·
Navarro Street
28
Keep slight right at fork onto North Main Avenue
0.4 mi
·
51 sec
·
North Main Avenue
Use the slight left / slight right lanes.
29
Turn right onto West Travis Street
222 ft
·
10 sec
·
West Travis Street
30
Turn left onto North Flores Street
0.2 mi
·
20 sec
·
North Flores Street
31
Continue on Military Plaza
392 ft
·
15 sec
·
Military Plaza
32
Turn left onto Dolorosa Street
327 ft
·
8 sec
·
Dolorosa Street
33
Arrive at destination
Dolorosa Street
Trip Plan
To make the most of your 4-hour and 44-minute drive, try to depart early in the day to avoid potential congestion on local streets. Since the route is entirely non-highway, having a reliable GPS is essential for navigating the turns on South Austin, East Walnut, and South Elm Streets. You only have one planned stop, so choose a location roughly halfway through the 323.2-mile trek to stretch your legs and refuel. Keeping your $48 fuel budget in mind, be sure to fill up before hitting the more rural stretches where gas stations might be less frequent. Stay alert during the transition between town roads, as the frequent turns demand consistent attention throughout the entire trip.
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 151.8 miles from Denton, TX, or about 2h 41m into the drive.
The longest continuous stretch on this route runs about 99.6 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 80 miles or 1h 26m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 151.8 miles or 2h 41m 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 24m
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 Denton, 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 Denton, TX
This is one driving day of about 303.5 miles and 5h 27m.
Your first comfortable stop window is around 80 miles from Denton, 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.
The longest stretch is on Purple Heart Trail for about 99.6 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 151.8 mi from Denton, TX · 2h 41m into the drive
Mid-route town
Meal stop
152 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 151.8 miles from Denton, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Purple Heart Trail if your tank is already low. That segment runs about 99.6 miles.
Arriving in San Antonio, TX
The final approach into San Antonio, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around San Antonio, TX.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$46.36 one way
$92.72 round trip
$3.88/gal
25.4 MPG avg
106 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $50.81 | $101.61 |
| premium | $4.59 | $54.86 | $109.71 |
| diesel | $5.64 | $67.43 | $134.85 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$46
Meals
$25–$50
Total
$71–$96
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 106.2 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $32 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 91.1 | 1 | $31.87 | $14.57 |
| Efficient EV | 75.9 | 0 | $26.56 | $12.14 |
| EV Truck/SUV | 121.4 | 1 | $42.49 | $19.42 |
Gas CO2
106 kg
EV CO2
36 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 Sunday
Local time
1:25 PM
CDT
Current temp
81°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
23 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 27m 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.
Frequently Asked Questions
The drive from Denton, TX to San Antonio, TX covers 303.5 miles and takes about 5h 27m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Purple Heart Trail, North South Freeway, I 35. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 151.8 miles from Denton, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $46.36 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 22 significant decision points across 303.5 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.
The main spots that need attention: at 20.3 miles (I 35W Express / I 35W TEXpress): Highway fork - watch signs carefully. Lane positioning matters here; at 221.9 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 295.4 miles (I 35 / North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here.
The route from Denton, TX to San Antonio, TX does not surface many named destination signs beyond the main corridor.
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