If you are planning a trip from Blue Mound to San Antonio, expect to cover 295.4 miles over approximately 4 hours and 34 minutes of driving. This trek stays entirely within the Great Plains region of Texas, making it a straightforward journey that is easily manageable as a single-day commitment. You will navigate through local roads like Gill Street, South Blue Mound Road, and Northeast Loop 820 to get underway. Budgeting about $44 for fuel should cover your needs for the trip. Since the drive is under five hours, most travelers will find it comfortable to complete in one go without the need for an overnight stay.
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
137.7 miles from Blue Mound, TX
A natural place for your longest stop of the day
, about 2h 26m into the drive
.
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.
Doable as a same-day drive at 4h 57m. Total distance: 275.4 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 57m drive, comfortable solo distance.
Drive Character
Be prepared for a turn-heavy local drive rather than a monotonous interstate cruise, as this route features a 0% highway share. You will spend your time navigating local connectors, requiring more focus behind the wheel than you might find on a standard freeway slog. Because the path relies on local roads rather than major interstates, the character of the drive remains consistent throughout the 295.4-mile journey. You should anticipate a hands-on driving experience where the road demands constant attention to turns and transitions. It is a practical route for those who prefer local roads over high-speed highway travel.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 32 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.
Elevation Profile
Gently rolling terrain
893 ft451 ft
Total Climb
1,028 ft
Total Descent
1,051 ft
Highest Point
893 ft
~157.3 mi in
Elevation Range
442 ft
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 2.4 miles in.
Driving Effort10/10
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 23 significant decision points across 275.4 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 2.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 193.8 miles (I 35; US 290 / Purple Heart Trail): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 23 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
8
2.4 mi into trip|~4m in
Take the exit toward I 35W, US 287: Denton, Fort Worth
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 16B
Toward I 35W, US 287: Denton, Fort Worth
8
2.7 mi into trip|~4m in
Keep slight right at fork toward I 35W South, US 287 South: Downtown, Fort Worth
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward I 35W South, US 287 South: Downtown, For...
8
193.8 mi into trip|~3h 25m 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
8
273.6 mi into trip|~4h 54m 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
274.2 mi into trip|~4h 54m 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...
Step-by-step road directions between Blue Mound, TX and San Antonio, TX.
1
Start on Waggoman Road
125 ft·8 sec·Waggoman Road
2
Turn right onto Gill Street
0.2 mi·47 sec·Gill Street
3
Turn left onto FM 156
1.0 mi·1 min·South Blue Mound Road
4
Turn left onto Northeast Loop 820
0.1 mi·12 sec·Northeast Loop 820
Use the left lane.
5
Take the ramp
0.2 mi·23 sec
Toward I 820 East
6
Merge onto I 820
0.9 mi·1 min·Jim Wright Freeway
Use the straight / slight right lanes.
7
Take the exit
0.3 mi·31 sec
Exit 16BToward I 35W, US 287: Denton, Fort WorthUse the straight / slight right lanes.
8
Keep slight right at fork
0.9 mi·1 min
Toward I 35W South, US 287 South: Downtown, Fort WorthUse the slight right lane.
9
Merge onto I 35W; US 287
0.7 mi·47 sec·North Freeway
Use the straight / slight right lanes.
10
Take the exit
0.6 mi·33 sec
Toward I 35W Express Toll SouthUse the slight left lane.
11
Merge onto I 35W TEXpress
4.0 mi·3 min·I 35W TEXpress
Use the straight / slight right lanes.
12
Merge onto I 35W
85 mi·1 hr 27 min·North South Freeway
Use the straight / slight right lanes.
13
Continue on I 35; US 77
6.6 mi·7 min·North Jack Kultgen Expressway
Use the straight / slight right lanes.
14
Continue on I 35
38 mi·39 min·Purple Heart Trail
Use the straight / slight right lanes.
15
Keep slight left at fork onto I 35
56 mi·58 min·I 35
Use the straight / slight right lanes.
16
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.
17
Continue on I 35
1.7 mi·1 min·Interstate Highway 35
Use the straight / slight right lanes.
18
Continue on I 35
12 mi·12 min·Purple Heart Trail
Use the straight / slight right lanes.
19
Continue on I 35
10.0 mi·11 min·North Pan Am Expressway
Use the straight / slight right lanes.
20
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.
21
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.
22
Take the exit
0.1 mi·16 sec
Exit 157AToward Lexington Avenue, Main Avenue, San Pedro AvenueUse the slight right lane.
23
Turn straight onto East Elmira Street
526 ft·17 sec·East Elmira Street
Use the left / straight lanes.
24
Turn left onto North Main Avenue
0.2 mi·18 sec·North Main Avenue
Use the left / straight lanes.
25
Enter roundabout onto Navarro Street
159 ft·3 sec·Navarro Street
26
Continue on Navarro Street
111 ft·2 sec·Navarro Street
27
Keep slight right at fork onto North Main Avenue
0.4 mi·51 sec·North Main Avenue
Use the slight left / slight right lanes.
28
Turn right onto West Travis Street
222 ft·10 sec·West Travis Street
29
Turn left onto North Flores Street
0.2 mi·20 sec·North Flores Street
30
Continue on Military Plaza
392 ft·15 sec·Military Plaza
31
Turn left onto Dolorosa Street
327 ft·8 sec·Dolorosa Street
32
Arrive at destination
Dolorosa Street
Trip Plan
To make the most of your 4-hour and 34-minute drive, plan for at least one dedicated stop to stretch your legs and refuel. Since you are navigating local roads, leave with a full tank to avoid searching for stations during the more technical portions of the journey. The flexibility of a single-day trip means you can depart whenever suits your schedule, though avoiding peak local traffic hours on your starting roads is always a smart move. Keep your $44 fuel estimate in mind as you map out your stops. A helpful tip for this specific path: since the route is turn-heavy, double-check your turn-by-turn navigation before leaving Blue Mound to ensure you stay on the correct local connectors.
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 137.7 miles from Blue Mound, TX, or about 2h 26m 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 61 miles or 1h 5m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 137.7 miles or 2h 26m 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
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 Blue Mound, 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 Blue Mound, TX
This is one driving day of about 275.4 miles and 4h 57m.
Your first comfortable stop window is around 61 miles from Blue Mound, 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 137.7 mi from Blue Mound, TX
· 2h 26m into the drive
Place data sourced from public business listings. Hours and availability may vary.
National Parks Near This Route
Worth a detour if your schedule allows.
Waco Mammoth National Monument
National Monument
Standing as tall as 14 feet and weighing 20,000 pounds, Columbian mammoths roamed across what is present-day Texas thousands of years ago. Today, the fossil specimens represent the nation's first and...
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 275.4
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$41.61 one way
$83.23 round trip
$3.84/gal25.4 MPG avg96 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$45.55
$91.10
premium
$4.54
$49.17
$98.34
diesel
$5.61
$60.80
$121.61
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$42
Meals
$25–$50
Total
$67–$92
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 96.4 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $29 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
82.6
1
$28.92
$13.22
Efficient EV
68.9
0
$24.10
$11.02
EV Truck/SUV
110.2
1
$38.56
$17.63
Gas CO2
96 kg
EV CO2
32 kg (67% 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.
Forecast as of Apr 15, 2026
Origin
Blue Mound, TX
Evening
in Blue Mound on Friday
Local time
5:52 PM
CDT
Current temp
72°F
Unavailable
Live forecast
Destination
San Antonio, TX
Evening
in San Antonio on Friday
Local time
5:52 PM
CDT
Current temp
77°F
Unavailable
Live forecast
60°F
Belton, TX
138 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
5 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
4h 57m 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 Blue Mound, TX to San Antonio, TX covers 275.4 miles and takes about 4h 57m 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 137.7 miles from Blue Mound, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $41.61 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 23 significant decision points across 275.4 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 2.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 193.8 miles (I 35; US 290 / Purple Heart Trail): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
The route from Blue Mound, TX to San Antonio, TX does not surface many named destination signs beyond the main corridor.
Gently rolling terrain. The route ranges from 451 ft to 893 ft elevation with about 1,028 ft of total climbing.
Yes. Nearby national parks include Waco Mammoth National Monument and San Antonio Missions National Historical Park.
