How far is Plano, TX from Post, TX?
The driving distance from Plano, TX to Post, TX is about 322.5 miles (519 km), with a travel time of about 05h 32m by car.
- The straight-line flight distance is about 271.1 miles (436.3 km).
- For a round trip, plan for roughly 11h 04m 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 05h 32m.
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.
Town in Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Plano and Post.
Turn-by-Turn Driving Directions
Step-by-step road directions between Plano and Post.
-
1
Start on East 15th Street
1 km · 1 min · East 15th Street
-
2
Turn left onto Central Expressway
919 ft · 18 sec · Central Expressway
-
3
Take the ramp slight left toward US 75 South
798 ft · 19 sec
-
4
Merge slight left onto Central Expressway
6.8 mi · 7 min · Central Expressway
-
5
Take the exit slight right toward I 635
1474 ft · 32 sec
-
6
Keep slight right to continue on I 635 West
1.4 km · 55 sec
-
7
Merge slight left onto Lyndon B. Johnson Freeway
2.4 mi · 3 min · Lyndon B. Johnson Freeway
-
8
Continue on Lyndon B Johnson Freeway
4.8 mi · 5 min · Lyndon B Johnson Freeway
-
9
Take the exit slight left toward I 35E South: Dallas
2224 ft · 32 sec
-
10
Merge slight right onto South Stemmons Freeway
2.2 mi · 3 min · South Stemmons Freeway
-
11
Keep slight right to continue on North Walton Walker Boulevard
3243 ft · 40 sec · North Walton Walker Boulevard
-
12
Take the exit slight right
604 ft · 15 sec
-
13
Merge slight right onto Loop 12 TEXpress
2.2 mi · 2 min · Loop 12 TEXpress
-
14
Merge slight right onto SH 183 TEXpress
13.5 mi · 13 min · SH 183 TEXpress
-
15
Continue on SH 121/183 TEXpress
2 mi · 2 min · SH 121/183 TEXpress
-
16
Continue on SH 183 TEXpress
644 ft · 7 sec · SH 183 TEXpress
-
17
Continue on SH 121/183 TEXpress
1.1 km · 43 sec · SH 121/183 TEXpress
-
18
Continue on I 820 TEXpress
6.9 mi · 7 min · I 820 TEXpress
-
19
Merge slight right onto Northeast Loop
1864 ft · 24 sec · Northeast Loop
-
20
Continue on Jim Wright Freeway
12.8 mi · 15 min · Jim Wright Freeway
-
21
Take the exit slight right toward I 30 West: Weatherford
1799 ft · 1 min
-
22
Merge slight left onto West Freeway
6 mi · 6 min · West Freeway
-
23
Merge slight right
182.3 mi · 3 hr 5 min
-
24
Take the exit slight right toward US 84 West: Snyder, Lubbock
1721 ft · 20 sec
-
25
Keep slight left
75.4 mi · 1 hr 17 min
-
26
Turn left onto West Main Street
91 m · 16 sec · West Main Street
-
27
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Plano and Post.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
West Freeway
Merge slight right
182 mi · 03h 05m
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 Cloudy leaving Plano and Mostly Sunny near Post.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Plano to Post?
The road trip is about 322.5 miles (519 km) and usually takes 05h 32m 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?
Putnam is a useful midpoint, sitting about 161.1 miles from Plano and 161.4 miles from Post.
How much longer is the road route than the straight-line distance?
The direct path is about 271.1 miles (436.3 km), while the road route adds roughly 51.4 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 5:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.01 one way or $86.01 round trip. Estimated CO2 is about 101.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Plano and Mostly Sunny near Post.
Flight Path Map
This map shows the direct air route between Plano and Post. Straight-line distance: 271.1 mi (436.3 km).
#1 Plano
The second most populous city in Texas and the center of the Dallas-Fort Worth metropolitan area.
| Population | 291,296 |
| Coordinates | 33.0198400, -96.6988900 |
| Altitude | 203 |
| Country | United States |
#2 Post
City in Garza County, Texas, United States
| Population | 5,123 |
| Coordinates | 33.1912200, -101.3790000 |
| Altitude | 794 |
| Country | United States |
End: Post (-101.379, 33.19122)
Estimated Travel Time
Distance: 519 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 44m |
| 40 mph (64.37 km/h) | 08h 03m |
| 50 mph (80.47 km/h) | 06h 26m |
| 60 mph (96.56 km/h) | 05h 22m |
| 70 mph (112.65 km/h) | 04h 36m |
| 80 mph (129 km/h) | 04h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $43.01 | $86.01 |
| Mid-grade | $4.25 | $48.39 | $96.78 |
| Premium | $4.59 | $52.25 | $104.49 |
| Diesel | $3.99 | $45.44 | $90.88 |
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.