How far is San Augustine, TX from Plano, TX?
The driving distance from San Augustine, TX to Plano, TX is about 221.3 miles (356.1 km), with a travel time of about 03h 38m by car.
- The straight-line flight distance is about 183.1 miles (294.7 km).
- For a round trip, plan for roughly 07h 16m 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 38m.
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.
Showers And Thunderstorms Likely
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between San Augustine and Plano.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Augustine and Plano.
-
1
Start on Columbia Street
88 m · 14 sec · Columbia Street
-
2
Turn left onto South Liberty Street
114 m · 13 sec · South Liberty Street
-
3
Turn right onto East Main Street
1.1 km · 1 min · East Main Street
-
4
Continue on West Columbia Street
1804 ft · 31 sec · West Columbia Street
-
5
Continue on TX 21
159 m · 13 sec · TX 21
-
6
Turn right onto North El Camino
17.2 mi · 18 min · North El Camino
-
7
Continue on Southview Circle
23.2 mi · 26 min · Southview Circle
-
8
Continue straight
5.9 mi · 7 min
-
9
Turn slight left
99 m · 11 sec
-
10
Turn right onto North Saint Mary Street
3200 ft · 59 sec · North Saint Mary Street
-
11
Turn left onto Cottage Road
1.3 mi · 2 min · Cottage Road
-
12
Continue straight
25.8 mi · 38 min
-
13
Turn left
4.8 mi · 6 min
-
14
Turn right
2.8 mi · 4 min
-
15
Turn right onto FM 2087 South
877 ft · 21 sec · FM 2087 South
-
16
Turn sharp left onto IH 20 Service Road
70 m · 4 sec · IH 20 Service Road
-
17
Take the ramp slight left toward I 20
1271 ft · 31 sec
-
18
Merge slight left
92 mi · 1 hr 32 min
-
19
Keep slight right to continue on Dallas
4.4 mi · 5 min
-
20
Continue straight
15.3 mi · 16 min
-
21
Take the exit slight right toward I 635 North
2115 ft · 52 sec
-
22
Merge slight left onto Lyndon B Johnson Freeway
11.4 mi · 12 min · Lyndon B Johnson Freeway
-
23
Continue on Lyndon B. Johnson Freeway
737 ft · 9 sec · Lyndon B. Johnson Freeway
-
24
Take the exit slight right toward US 75 South, US 75 North: Dallas, McKinney
1.5 km · 2 min
-
25
Keep slight right to continue on US 75 North: McKinney
1 km · 55 sec
-
26
Merge slight left onto North Central Expressway
5.3 mi · 6 min · North Central Expressway
-
27
Take the exit slight right toward Plano Parkway, 15th Street
2162 ft · 53 sec
-
28
Turn straight onto North Central Expressway
1.4 mi · 2 min · North Central Expressway
-
29
Turn right onto East 15th Street
3101 ft · 1 min · East 15th Street
-
30
Arrive at your destination
0 m · 1 sec · East 15th Street
Car Route Details
A richer read on the saved driving route between San Augustine and Plano.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 20
Merge slight left
92 mi · 01h 32m
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.
Showers And Thunderstorms Likely leaving San Augustine and Slight Chance Showers And Thunderstorms near Plano.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Augustine to Plano?
The road trip is about 221.3 miles (356.1 km) and usually takes 03h 38m 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?
Winona is a useful midpoint, sitting about 108.1 miles from San Augustine and 113.2 miles from Plano.
How much longer is the road route than the straight-line distance?
The direct path is about 183.1 miles (294.7 km), while the road route adds roughly 38.2 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 9:44 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.51 one way or $59.03 round trip. Estimated CO2 is about 69.4 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around San Augustine and Slight Chance Showers And Thunderstorms near Plano.
Stop Ideas Near Winona
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 Winona.
Tyler, TX
Mineola
Longview
Marshall
Flight Path Map
This map shows the direct air route between San Augustine and Plano. Straight-line distance: 183.13 mi (294.72 km).
#1 San Augustine
Town of the United States
| Population | 1,865 |
| Coordinates | 31.5299000, -94.1060300 |
| Altitude | 113 |
| Country | United States |
#2 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 |
End: East 15th Street (-96.698873, 33.019694)
Estimated Travel Time
Distance: 356 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 22m |
| 40 mph (64.37 km/h) | 05h 31m |
| 50 mph (80.47 km/h) | 04h 25m |
| 60 mph (96.56 km/h) | 03h 41m |
| 70 mph (112.65 km/h) | 03h 09m |
| 80 mph (129 km/h) | 02h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $29.51 | $59.03 |
| Mid-grade | $4.25 | $33.21 | $66.42 |
| Premium | $4.59 | $35.86 | $71.71 |
| Diesel | $3.99 | $31.19 | $62.37 |
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.