How far is Plano, TX from Big Lake, TX?
The driving distance from Plano, TX to Big Lake, TX is about 360.5 miles (580.2 km), with a travel time of about 06h 27m by car.
- The straight-line flight distance is about 305.9 miles (492.3 km).
- For a round trip, plan for roughly 12h 54m 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 06h 27m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Plano and Big Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Plano and Big Lake.
-
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
137.3 mi · 2 hr 20 min
-
24
Take the exit slight left toward US 83 South, US 277 South: San Angelo, Ballinger, Anson
2737 ft · 1 min
-
25
Merge slight left onto Winters Freeway
2.5 mi · 3 min · Winters Freeway
-
26
Take the exit slight right toward US 277 South: San Angelo
1.1 mi · 2 min
-
27
Turn right onto US Highway 277 South
78.6 mi · 1 hr 24 min · US Highway 277 South
-
28
Keep slight right to continue on US 67 South, US 277 South: San Angelo
2324 ft · 57 sec
-
29
Keep slight left to continue on US 67 South, US 277 South: San Angelo
8.7 mi · 10 min
-
30
Take the exit slight right toward US 67 South: Mertzon
1.3 mi · 2 min
-
31
Turn right onto Sherwood Way
1.1 mi · 1 min · Sherwood Way
-
32
Continue on US Highway 67 South
22.7 mi · 25 min · US Highway 67 South
-
33
Continue on United States Highway 67
4.5 mi · 5 min · United States Highway 67
-
34
Continue on US 67
19 mi · 22 min · US 67
-
35
Continue on Reagan Street
18.2 mi · 19 min · Reagan Street
-
36
Arrive at your destination
0 m · 1 sec · East 2nd Street
Car Route Details
A richer read on the saved driving route between Plano and Big Lake.
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
137 mi · 02h 20m
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.
Slight Chance Showers And Thunderstorms leaving Plano and Mostly Sunny near Big Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Plano to Big Lake?
The road trip is about 360.5 miles (580.2 km) and usually takes 06h 27m 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?
Baird is a useful midpoint, sitting about 180.1 miles from Plano and 180.4 miles from Big Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 305.9 miles (492.3 km), while the road route adds roughly 54.6 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 $48.07 one way or $96.14 round trip. Estimated CO2 is about 113 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Plano and Mostly Sunny near Big Lake.
Flight Path Map
This map shows the direct air route between Plano and Big Lake. Straight-line distance: 305.93 mi (492.34 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 Big Lake
City in Texas, USA
| Population | 3,348 |
| Coordinates | 31.1915400, -101.4603900 |
| Altitude | 820 |
| Country | United States |
End: Big Lake (-101.46039, 31.19154)
Estimated Travel Time
Distance: 580 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 00m |
| 40 mph (64.37 km/h) | 09h 00m |
| 50 mph (80.47 km/h) | 07h 12m |
| 60 mph (96.56 km/h) | 06h 00m |
| 70 mph (112.65 km/h) | 05h 09m |
| 80 mph (129 km/h) | 04h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $48.07 | $96.14 |
| Mid-grade | $4.25 | $54.09 | $108.17 |
| Premium | $4.59 | $58.40 | $116.80 |
| Diesel | $3.99 | $50.79 | $101.58 |
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 · 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.