How far is Post, TX from Corpus Christi, TX?
The driving distance from Post, TX to Corpus Christi, TX is about 491.8 miles (791.4 km), with a travel time of about 07h 31m by car.
- The straight-line flight distance is about 441.4 miles (710.4 km).
- For a round trip, plan for roughly 15h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 07h 31m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Post and Corpus Christi.
Turn-by-Turn Driving Directions
Step-by-step road directions between Post and Corpus Christi.
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1
Start on West Main Street
52 m · 10 sec · West Main Street
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2
Continue on West Main Street
142 m · 23 sec · West Main Street
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3
Turn right onto South Broadway Street
2569 ft · 1 min · South Broadway Street
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4
Continue on US Highway 84
74.6 mi · 1 hr 15 min · US Highway 84
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5
Keep slight left to continue on I 20 East, US 84 East: Abilene
6.5 mi · 7 min
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6
Take the exit slight right toward SH 70 South, SH 70 Business: Sweetwater, San Angelo
737 ft · 18 sec
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7
Turn slight left onto Southwest Georgia Avenue
624 ft · 17 sec · Southwest Georgia Avenue
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8
Turn right onto Lamar Street
1.2 km · 1 min · Lamar Street
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9
Continue on State Highway 70
10.4 mi · 11 min · State Highway 70
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10
Turn left onto State Highway 153
29.5 mi · 33 min · State Highway 153
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11
Turn right
12.3 mi · 13 min
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12
Turn left
6.3 mi · 7 min
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13
At the end of the road, turn right onto Hutchings Avenue
118 m · 18 sec · Hutchings Avenue
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14
Turn left onto South 7th Street
16.5 mi · 18 min · South 7th Street
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15
Continue on Grassmeyer Street
41.9 mi · 45 min · Grassmeyer Street
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16
Continue on Ellis Street
29.4 mi · 31 min · Ellis Street
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17
Take the exit left toward I 10 East: San Antonio
40 mi · 38 min
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18
Continue straight
54.3 mi · 55 min
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19
Keep slight right
17.4 mi · 20 min
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20
Keep slight right to continue on McDermott Freeway
1.7 mi · 2 min · McDermott Freeway
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21
Take the exit slight right toward Santa Rosa Street, Downtown
2505 ft · 1 min
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22
Turn straight onto North Pecos-La Trinidad
804 ft · 16 sec · North Pecos-La Trinidad
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23
Keep slight right to continue on North Pecos-La Trinidad
2963 ft · 1 min · North Pecos-La Trinidad
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24
Turn left onto Dolorosa Street
2725 ft · 1 min · Dolorosa Street
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25
Continue on West Market Street
1893 ft · 42 sec · West Market Street
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26
Continue on East Market Street
2143 ft · 41 sec · East Market Street
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27
Turn right onto Tower of the Americas Way
957 ft · 21 sec · Tower of the Americas Way
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28
Take the ramp slight left toward I 37 South, US 281 South
1374 ft · 34 sec
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29
Merge slight left onto William J Bordelon Freeway
1.4 mi · 2 min · William J Bordelon Freeway
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30
Continue on Lucian Adams Freeway
140.3 mi · 2 hr 23 min · Lucian Adams Freeway
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31
Continue on Interstate Highway 37
118 m · 10 sec · Interstate Highway 37
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32
Continue on Interstate Highway 37
135 m · 15 sec · Interstate Highway 37
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33
Continue straight
147 m · 9 sec
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34
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Post and Corpus Christi.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Lucian Adams Freeway
Continue on Lucian Adams Freeway
140 mi · 02h 23m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Post and Chance Showers And Thunderstorms near Corpus Christi.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Post to Corpus Christi?
The road trip is about 491.8 miles (791.4 km) and usually takes 07h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Junction is a useful midpoint, sitting about 244 miles from Post and 247.9 miles from Corpus Christi.
How much longer is the road route than the straight-line distance?
The direct path is about 441.4 miles (710.4 km), while the road route adds roughly 50.4 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $65.57 one way or $131.13 round trip. Estimated CO2 is about 154.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Post and Chance Showers And Thunderstorms near Corpus Christi.
Flight Path Map
This map shows the direct air route between Post and Corpus Christi. Straight-line distance: 441.42 mi (710.4 km).
#1 Post
City in Garza County, Texas, United States
| Population | 5,123 |
| Coordinates | 33.1912200, -101.3790000 |
| Altitude | 794 |
| 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: 791 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 23m |
| 40 mph (64.37 km/h) | 12h 17m |
| 50 mph (80.47 km/h) | 09h 50m |
| 60 mph (96.56 km/h) | 08h 11m |
| 70 mph (112.65 km/h) | 07h 01m |
| 80 mph (129 km/h) | 06h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $65.57 | $131.13 |
| Mid-grade | $4.25 | $73.77 | $147.54 |
| Premium | $4.59 | $79.65 | $159.31 |
| Diesel | $3.99 | $69.28 | $138.56 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.