How far is Sour Lake, TX from Houston, TX?

The driving distance from Sour Lake, TX to Houston, TX is about 73.6 miles (118.5 km), with a travel time of about 01h 20m by car.

  • The straight-line flight distance is about 62.7 miles (100.9 km).
  • For a round trip, plan for roughly 02h 41m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
73.61 mi
01h 20m
Flight
62.67 mi
100.86 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Sour Lake.

Flight Distance

Direct air line
62.67 mi
Kilometers
100.86 km
Flight Time
00h 07m

Driving Distance

Road route
73.61 mi
Kilometers
118.47 km
Drive Time
01h 20m

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 01h 20m.

Arrival Snapshot
Arrive in Houston
Tue, May 12, 10:02 PM CDT
Return by in Sour Lake
Tue, May 12, 11:23 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sour Lake
2026-05-12T20:41
Arrive Houston
Tue, May 12, 10:02 PM CDT
Route Timing
01h 20m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:21 AM to 11:21 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:48 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sour Lake
9:30 PM CDT
Morning start is best

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
Dayton
TX

City in Liberty County, Texas, United States

From Sour Lake
36.8 mi
00h 40m
To Houston
36.8 mi
00h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
0 mph
Destination
84°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 mph NE

Driving Route Map

The map below follows the saved road route between Sour Lake and Houston.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sour Lake and Houston.

  1. 1

    Start on 5th Street

    2377 ft · 43 sec · 5th Street

  2. 2

    Turn right onto State Highway 326

    7.1 mi · 10 min · State Highway 326

  3. 3

    Turn right

    42.1 mi · 48 min

  4. 4

    Keep slight left to continue on Crosby Freeway

    12 mi · 14 min · Crosby Freeway

  5. 5

    Turn straight

    1.4 mi · 2 min

  6. 6

    Take the exit straight toward US 90 West

    3.7 mi · 5 min

  7. 7

    Merge slight left onto East Freeway

    5.5 mi · 7 min · East Freeway

  8. 8

    Take the exit slight right toward San Jacinto Street, Main Street

    932 ft · 23 sec

  9. 9

    Turn straight onto Providence Street

    599 ft · 12 sec · Providence Street

  10. 10

    Continue on North San Jacinto Street

    1636 ft · 32 sec · North San Jacinto Street

  11. 11

    Continue on Fannin Street

    1878 ft · 51 sec · Fannin Street

  12. 12

    Turn right onto Prairie Street

    1338 ft · 48 sec · Prairie Street

  13. 13

    Turn right onto Louisiana Street

    157 m · 17 sec · Louisiana Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Louisiana Street

Car Route Details

A richer read on the saved driving route between Sour Lake and Houston.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
14 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
19 / 100 mi
Decision points by distance
Main Roads
Crosby Freeway
12 mi · 16%
State Highway 326
7.06 mi · 10%
East Freeway
5.53 mi · 8%
US 90 West
3.72 mi · 5%
5th Street
0.45 mi · 1%
Fannin Street
0.36 mi
Longest Stretch

Longest stretch

Turn right

42.1 mi · 00h 48m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 20m
Day trip friendly
Same-Day Return
02h 42m
Round-trip wheel time
Road vs Air
+10.9 mi
62.7 mi direct line
Halfway Stop
Dayton
00h 40m from Sour Lake
Leave By
3:48 PM CDT
Morning start is best
Weather Watch

Sunny leaving Sour Lake and Mostly Sunny near Houston.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sour Lake to Houston?

The road trip is about 73.6 miles (118.5 km) and usually takes 01h 20m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Dayton is a useful midpoint, sitting about 36.8 miles from Sour Lake and 36.8 miles from Houston.

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

The direct path is about 62.7 miles (100.9 km), while the road route adds roughly 10.9 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:48 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $9.83 one way or $19.65 round trip. Estimated CO2 is about 23.1 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Sour Lake and Mostly Sunny near Houston.

Stop Ideas Near Dayton

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

Mid-route Guidance
Local place coverage is thin around Dayton, 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 Dayton.

RAIL

Houston

56 mi away
902 Washington Ave.
BUS

Houston, TX

57 mi away
2121 Main Street
RAIL

Beaumont

73 mi away
2555 W. Cedar Street
BUS

Galveston (Texas Eagle Bus), Texas

85 mi away
25th St. and Strand St.

Flight Path Map

This map shows the direct air route between Sour Lake and Houston. Straight-line distance: 62.67 mi (100.86 km).

Sour Lake

#1 Sour Lake

City in Hardin County, Texas, United States

Population1,948
Coordinates30.1402100, -94.4110200
Altitude15
CountryUnited States
Houston

#2 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
Start: 5th Street (-94.411011, 30.140344)
End: Louisiana Street (-95.363596, 29.76347)

Estimated Travel Time

Distance: 118 km by road

SpeedTime
30 mph (48.3 km/h)02h 27m
40 mph (64.37 km/h)01h 50m
50 mph (80.47 km/h)01h 28m
60 mph (96.56 km/h)01h 13m
70 mph (112.65 km/h)01h 03m
80 mph (129 km/h)00h 55m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.6 gal
9.83 L · about $9.83
Round trip
$19.65
5.2 gal · 19.66 L
Estimated CO2
23.1 kg one way
Round trip: 46.2 kg / 102 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $9.83 $19.65
Mid-grade $4.25 $11.06 $22.11
Premium $4.59 $11.94 $23.87
Diesel $3.99 $10.38 $20.76

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 · May 13, 2026

There is no time difference between Sour Lake and Houston. The current time is 20:41:52.

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.