How far is Houston, TX from Big Spring, TX?

The driving distance from Houston, TX to Big Spring, TX is about 450.6 miles (725.1 km), with a travel time of about 08h 30m by car.

  • The straight-line flight distance is about 400.8 miles (645 km).
  • For a round trip, plan for roughly 17h 01m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
450.56 mi
08h 30m
Flight
400.77 mi
644.97 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Houston.

Flight Distance

Direct air line
400.77 mi
Kilometers
644.97 km
Flight Time
00h 48m

Driving Distance

Road route
450.56 mi
Kilometers
725.11 km
Drive Time
08h 30m

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 08h 30m.

Arrival Snapshot
Arrive in Big Spring
Thu, Apr 23, 9:43 AM CDT
Return by in Houston
Thu, Apr 23, 6:14 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Houston
2026-04-23T01:12
Arrive Big Spring
Thu, Apr 23, 9:43 AM CDT
Route Timing
08h 30m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
2:31 PM to 4:01 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
6:58 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Houston
8:00 PM CDT
Overnight-style route

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.

Mid-route stop
Llano
TX

City in Llano County, Texas, United States

From Houston
225.2 mi
04h 15m
To Big Spring
225.4 mi
04h 15m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Thursday

Partly Sunny then Slight Chance Showers And Thunderstorms

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph SE
Destination
93°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
20 mph SW

Driving Route Map

The map below follows the saved road route between Houston and Big Spring.

Turn-by-Turn Driving Directions

Step-by-step road directions between Houston and Big Spring.

  1. 1

    Start on Louisiana Street

    761 ft · 25 sec · Louisiana Street

  2. 2

    Take the ramp straight toward I 10 West: San Antonio

    2149 ft · 52 sec

  3. 3

    Merge slight right onto Katy Freeway

    74.1 mi · 1 hr 21 min · Katy Freeway

  4. 4

    Take the exit slight right toward TX 71 West: La Grange, Austin

    2832 ft · 33 sec

  5. 5

    Keep slight left

    77.2 mi · 1 hr 22 min

  6. 6

    Continue on Bastrop Freeway

    1.9 mi · 2 min · Bastrop Freeway

  7. 7

    Continue on East State Highway 71

    2.2 mi · 3 min · East State Highway 71

  8. 8

    Continue on East Ben White Boulevard

    7.4 mi · 8 min · East Ben White Boulevard

  9. 9

    Keep slight left

    4.9 mi · 6 min

  10. 10

    Turn slight right onto West Highway 71

    22.4 mi · 31 min · West Highway 71

  11. 11

    Continue on East State Highway 71

    42 mi · 57 min · East State Highway 71

  12. 12

    Keep slight right

    1.5 mi · 2 min

  13. 13

    Turn left onto West Young Street

    2.7 mi · 4 min · West Young Street

  14. 14

    Continue straight

    47.2 mi · 51 min

  15. 15

    Turn right

    2.8 mi · 4 min

  16. 16

    At the end of the road, turn left onto Commerce Street

    1347 ft · 19 sec · Commerce Street

  17. 17

    Turn straight onto United States Highway 87

    71.2 mi · 1 hr 17 min · United States Highway 87

  18. 18

    Continue on South Bryant Boulevard

    4.1 mi · 6 min · South Bryant Boulevard

  19. 19

    Continue on South Koenigheim Street

    1.4 mi · 2 min · South Koenigheim Street

  20. 20

    Continue on North Bryant Boulevard

    4.3 mi · 6 min · North Bryant Boulevard

  21. 21

    Continue on US Highway 87 North

    23.2 mi · 24 min · US Highway 87 North

  22. 22

    Continue straight

    15.8 mi · 17 min

  23. 23

    Turn straight onto US Highway 87 North

    37.7 mi · 38 min · US Highway 87 North

  24. 24

    Take the exit slight right toward US 87 Business North: Big Spring

    1048 ft · 26 sec

  25. 25

    Continue on South US Highway 87

    3.1 mi · 5 min · South US Highway 87

  26. 26

    Continue on South Gregg Street

    1.7 mi · 3 min · South Gregg Street

  27. 27

    Turn left onto West 5th Street

    117 m · 19 sec · West 5th Street

  28. 28

    Turn right onto South Lancaster Street

    115 m · 19 sec · South Lancaster Street

  29. 29

    Turn right onto West 4th Street

    92 m · 6 sec · West 4th Street

  30. 30

    Arrive at your destination

    0 m · 1 sec · West 4th Street

Car Route Details

A richer read on the saved driving route between Houston and Big Spring.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
30 steps
9 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
6.7 / 100 mi
Decision points by distance
Main Roads
TX 71 West
77.7 mi · 17%
US Highway 87 North
76.8 mi · 17%
Katy Freeway
74.1 mi · 16%
United States Highway 87
71.2 mi · 16%
West Young Street
49.9 mi · 11%
East State Highway 71
45.6 mi · 10%
Longest Stretch

TX 71 West

Keep slight left

77.2 mi · 01h 22m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
08h 30m
Overnight route
Same-Day Return
17h 02m
Round-trip wheel time
Road vs Air
+49.8 mi
400.8 mi direct line
Halfway Stop
Llano
04h 15m from Houston
Leave By
6:58 PM CDT
Overnight-style route
Weather Watch

Partly Sunny then Slight Chance Showers And Thunderstorms leaving Houston and Mostly Sunny near Big Spring.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Houston to Big Spring?

The road trip is about 450.6 miles (725.1 km) and usually takes 08h 30m 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?

Llano is a useful midpoint, sitting about 225.2 miles from Houston and 225.4 miles from Big Spring.

How much longer is the road route than the straight-line distance?

The direct path is about 400.8 miles (645 km), while the road route adds roughly 49.8 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 $60.09 one way or $120.17 round trip. Estimated CO2 is about 141.3 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Houston and Mostly Sunny near Big Spring.

Stop Ideas Near Llano

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Llano, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Llano.

BUS

Fort Hood, Texas

97 mi away
Hood Road & Old Ironsides Ave.
BUS

Killeen, Texas

99 mi away
200 East Avenue C
RAIL

Austin

104 mi away
250 North Lamar Blvd.

Flight Path Map

This map shows the direct air route between Houston and Big Spring. Straight-line distance: 400.77 mi (644.97 km).

Houston

#1 Houston

The fourth most populous city in the United States and the center of the Houston metropolitan area.

Population2,316,120
Coordinates29.7632800, -95.3632700
Altitude12
CountryUnited States
Big Spring

#2 Big Spring

City in Texas, United States

Population28,077
Coordinates32.2504000, -101.4787400
Altitude744
CountryUnited States
Start: Houston (-95.36327, 29.76328)
End: Big Spring (-101.47874, 32.2504)

Estimated Travel Time

Distance: 725 km by road

SpeedTime
30 mph (48.3 km/h)15h 00m
40 mph (64.37 km/h)11h 15m
50 mph (80.47 km/h)09h 00m
60 mph (96.56 km/h)07h 30m
70 mph (112.65 km/h)06h 26m
80 mph (129 km/h)05h 37m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.9 gal
60.18 L · about $60.09
Round trip
$120.17
31.8 gal · 120.36 L
Estimated CO2
141.3 kg one way
Round trip: 282.6 kg / 623 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $60.09 $120.17
Mid-grade $4.25 $67.61 $135.21
Premium $4.59 $73.00 $145.99
Diesel $3.99 $63.49 $126.98

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

There is no time difference between Houston and Big Spring. The current time is 01:12:23.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.