Origin
McGregor, TX
Morning in McGregor on Thursday
Local time
10:40 AM
CDT
Current temp
60°F
Unavailable
Last recalculated Apr 16, 2026
Drive Time
3h 12m
Distance
167.3 mi
269 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$25
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
McGregor, TX
Thomas balabaud
San Antonio, TX
Wikimedia Commons
Traveling from McGregor to San Antonio covers 189.2 miles and typically takes about 2 hours and 48 minutes of driving time. Because this journey is a straightforward trek across the Great Plains, it is perfectly suited for a single-day trip, allowing you to reach your destination without the need for an overnight stay. Budgeting approximately $28 for fuel will cover your transit costs for the trip. Since the drive is relatively short, you have the flexibility to depart at your convenience. This route keeps you within the Texas Great Plains region, ensuring a consistent landscape as you move toward your southern destination.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
83.7 miles from McGregor, TX
A natural place for your longest stop of the day , about 1h 38m into the drive .
Weekend Trip
Doable as a same-day drive at 3h 12m. Total distance: 167.3 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 12m drive, comfortable solo distance.
Expect a turn-heavy local drive rather than a monotonous interstate cruise on this route. With zero highway share, you will be navigating local roads for the entirety of the 189.2-mile journey. This character makes for a more engaged driving experience, as you won't be dealing with high-speed, multi-lane highway stretches. The road requires your full attention as you transition between local paths, offering a shift in pace from typical cross-country travel. You should prepare for a drive that demands consistent navigation rather than long, uninterrupted stretches behind the wheel.
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 29.9 miles in near I 35.
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 17 significant decision points across 167.3 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 29.9 miles (I 35): Highway fork - watch signs carefully. Lane positioning matters here; at 85.7 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 159.2 miles (I 35 / North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Keep slight left at fork onto I 35
Highway fork - watch signs carefully. Lane positioning matters here
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
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
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
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
| Road | Distance | Duration |
|---|---|---|
| Purple Heart Trail | 62.2 mi | 1h 8m |
| I 35 | 55.8 mi | 58m |
| State Highway 317 | 18.9 mi | 22m |
| North Pan Am Expressway | 17 mi | 20m |
| Avenue D | 2.8 mi | 5m |
| North Main Street | 2.8 mi | 5m |
| South Main Street | 2.5 mi | 3m |
| Interstate Highway 35 | 1.7 mi | 1m |
Step-by-step road directions between McGregor, TX and San Antonio, TX.
Start on US 84
Turn right onto TX 317
Continue on TX 317
Continue on TX 317
Continue on TX 317
Continue on TX 317
Continue on TX 317
Continue on TX 317
Turn left onto East Central Avenue
Turn right onto South I-35 Frontage Road
Take the ramp
Merge onto I 35; US 190
Keep slight left at fork onto I 35
Keep slight left at fork onto I 35; US 290
Continue on I 35
Continue on I 35
Continue on I 35
Keep slight left at fork onto I 35
Keep slight left at fork onto I 35
Take the exit
Turn straight onto East Elmira Street
Turn left onto North Main Avenue
Enter roundabout onto Navarro Street
Continue on Navarro Street
Keep slight right at fork onto North Main Avenue
Turn right onto West Travis Street
Turn left onto North Flores Street
Continue on Military Plaza
Turn left onto Dolorosa Street
Arrive at destination
Since the trip is under three hours, you can easily complete it in one go without scheduling any formal stops. However, because this is a turn-heavy local route, keeping a close eye on your navigation system is essential to stay on the correct path. Aim to fill your tank before you leave McGregor to minimize your fuel stops and keep your $28 budget on track. The primary advantage here is the flexibility of your schedule, so consider leaving during off-peak hours to avoid potential local traffic congestion. Always double-check your turn-by-turn directions before setting out, as local roads can be trickier to follow than major highways.
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.
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 37 miles or 48m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 83.7 miles or 1h 38m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 36m
Traffic, exits, and arrival timing usually matter more near San Antonio, TX than in the middle of the route.
Open the route before leaving McGregor, 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 McGregor, TX
This is one driving day of about 167.3 miles and 3h 12m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 83.7 mi from McGregor, TX · 1h 38m into the drive
Mid-route town
Meal stop
84 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.
A short stop after about 37 miles helps settle the day before fatigue starts building.
The midpoint is around 83.7 miles from McGregor, 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 62.2 miles.
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.
Regular Gas
$25.28 one way
$50.56 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.20 | $27.67 | $55.34 |
| premium | $4.54 | $29.87 | $59.74 |
| diesel | $5.61 | $36.94 | $73.88 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$25
Meals
$25–$50
Total
$50–$75
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 58.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $18 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 50.2 | 0 | $17.57 | $8.03 |
| Efficient EV | 41.8 | 0 | $14.64 | $6.69 |
| EV Truck/SUV | 66.9 | 0 | $23.42 | $10.71 |
Gas CO2
59 kg
EV CO2
20 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.
Current conditions at both ends of the drive.
Origin
Morning in McGregor on Thursday
Local time
10:40 AM
CDT
Current temp
60°F
Unavailable
Destination
Morning in San Antonio on Thursday
Local time
10:40 AM
CDT
Current temp
85°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
Red Flag Warning
Red Flag Warning issued April 13 at 7:52AM CDT until April 13 at 8:00PM CDT by NWS Lubbock TX
Fire Weather Watch
Fire Weather Watch issued April 13 at 7:52AM CDT until April 14 at 8:00PM CDT by NWS Lubbock TX
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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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