How far is Onion Creek, TX from Corpus Christi, TX?
The driving distance from Onion Creek, TX to Corpus Christi, TX is about 197.1 miles (317.2 km), with a travel time of about 03h 15m by car.
- The straight-line flight distance is about 163.1 miles (262.5 km).
- For a round trip, plan for roughly 06h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 03h 15m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Human settlement in Atascosa County, Texas, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Onion Creek and Corpus Christi.
Turn-by-Turn Driving Directions
Step-by-step road directions between Onion Creek and Corpus Christi.
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1
Start on Pinehurst Drive
1.1 mi · 4 min · Pinehurst Drive
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2
Turn left onto Onion Creek Parkway
1505 ft · 58 sec · Onion Creek Parkway
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3
Turn left onto South Interstate 35
1998 ft · 40 sec · South Interstate 35
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4
Take the ramp slight left toward I 35 South
1507 ft · 37 sec
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5
Merge slight left onto Purple Heart Trail
36.5 mi · 39 min · Purple Heart Trail
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6
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
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7
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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8
Continue on North Pan Am Expressway
10 mi · 12 min · North Pan Am Expressway
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9
Keep slight right to continue on Connally Loop
11 mi · 12 min · Connally Loop
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10
Take the exit slight right toward I 37, US 281 North: San Antonio, Corpus Christi
1184 ft · 29 sec
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11
Keep slight left to continue on I 37 South: Corpus Christi
2457 ft · 1 min
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12
Merge slight left
134 mi · 2 hr 16 min
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13
Continue on Interstate Highway 37
118 m · 10 sec · Interstate Highway 37
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14
Continue on Interstate Highway 37
135 m · 15 sec · Interstate Highway 37
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15
Continue straight
147 m · 9 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Onion Creek and Corpus Christi.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 37 South
Merge slight left
134 mi · 02h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Clear leaving Onion Creek and Mostly Sunny near Corpus Christi.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Onion Creek to Corpus Christi?
The road trip is about 197.1 miles (317.2 km) and usually takes 03h 15m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Pleasanton is a useful midpoint, sitting about 104.2 miles from Onion Creek and 92.9 miles from Corpus Christi.
How much longer is the road route than the straight-line distance?
The direct path is about 163.1 miles (262.5 km), while the road route adds roughly 34 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:30 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.30 one way or $52.60 round trip. Estimated CO2 is about 61.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Onion Creek and Mostly Sunny near Corpus Christi.
Stop Ideas Near Pleasanton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Pleasanton.
San Antonio Station
San Marcos Station
Flight Path Map
This map shows the direct air route between Onion Creek and Corpus Christi. Straight-line distance: 163.1 mi (262.48 km).
#1 Onion Creek
Census designated place
| Population | 2,116 |
| Coordinates | 30.1366000, -97.7841700 |
| Altitude | 175 |
| Country | United States |
#2 Corpus Christi
The second most populous city in Texas and the center of the Corpus Christi metropolitan area.
| Population | 327,248 |
| Coordinates | 27.8005800, -97.3963800 |
| Altitude | 2 |
| Country | United States |
End: I 37 (-97.396427, 27.800658)
Estimated Travel Time
Distance: 317 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 34m |
| 40 mph (64.37 km/h) | 04h 55m |
| 50 mph (80.47 km/h) | 03h 56m |
| 60 mph (96.56 km/h) | 03h 17m |
| 70 mph (112.65 km/h) | 02h 48m |
| 80 mph (129 km/h) | 02h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $26.30 | $52.60 |
| Mid-grade | $4.25 | $29.59 | $59.19 |
| Premium | $4.59 | $31.95 | $63.91 |
| Diesel | $3.99 | $27.79 | $55.58 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Texas · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.