How far is Houston, TX from Potosi, TX?

The driving distance from Houston, TX to Potosi, TX is about 378.5 miles (609.1 km), with a travel time of about 07h 03m by car.

  • The straight-line flight distance is about 309.8 miles (498.6 km).
  • For a round trip, plan for roughly 14h 06m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CST.
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
378.48 mi
07h 03m
Flight
309.82 mi
498.61 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
309.82 mi
Kilometers
498.61 km
Flight Time
00h 37m

Driving Distance

Road route
378.48 mi
Kilometers
609.1 km
Drive Time
07h 03m

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 07h 03m.

Arrival Snapshot
Arrive in Potosi
Mon, Nov 9, 9:31 AM CST
Return by in Houston
Mon, Nov 9, 4:34 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Houston
2026-11-09T02:27
Arrive Potosi
Mon, Nov 9, 9:31 AM CST
Route Timing
07h 03m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CST
Treat this as a longer travel day
Arrive between
1:03 PM to 2:33 PM CST

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

Leave by
9:54 PM CST
Keeps a same-day return open with about 08h 00m at the destination.
Back in Houston
8:00 PM CST
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
Leander
TX

The fifth most populous city in Williamson County, Texas.

From Houston
189.1 mi
03h 31m
To Potosi
189.3 mi
03h 31m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Monday

Mostly Cloudy then Slight Chance Rain Showers

Starts
Mon, Nov 9 6:00 AM CST
Wind
0 to 5 mph NE
Destination
70°F
Monday

Chance Rain Showers

Starts
Mon, Nov 9 6:00 AM CST
Wind
0 to 5 mph SSW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Houston and Potosi.

  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

    Take the exit slight right toward US 183 North, 183 Toll North: Lampasas

    2773 ft · 1 min

  9. 9

    Merge slight left onto Bastrop Highway

    2088 ft · 27 sec · Bastrop Highway

  10. 10

    Continue on Bergstrom Expressway

    6.2 mi · 6 min · Bergstrom Expressway

  11. 11

    Continue straight

    14.6 mi · 17 min

  12. 12

    Continue straight

    14.6 mi · 15 min

  13. 13

    Continue on North US Highway 183

    35.7 mi · 39 min · North US Highway 183

  14. 14

    Continue on South Key Avenue

    2.3 mi · 5 min · South Key Avenue

  15. 15

    Continue on North US Highway 281

    965 ft · 15 sec · North US Highway 281

  16. 16

    Keep slight left to continue on North US Highway 183

    36.9 mi · 40 min · North US Highway 183

  17. 17

    At the end of the road, turn left

    30.4 mi · 35 min

  18. 18

    Turn left onto Early Boulevard

    1.7 mi · 2 min · Early Boulevard

  19. 19

    Continue on East Commerce Street

    22 mi · 25 min · East Commerce Street

  20. 20

    Keep slight right to continue on Wallis Avenue

    9.2 mi · 10 min · Wallis Avenue

  21. 21

    Turn right onto North Neches Street

    34.9 mi · 40 min · North Neches Street

  22. 22

    Continue straight

    6.2 mi · 7 min

  23. 23

    Take the exit right

    1490 ft · 41 sec

  24. 24

    Turn right onto Clark Road

    3 mi · 5 min · Clark Road

  25. 25

    At the end of the road, turn right

    3 mi · 5 min

  26. 26

    Turn left onto Potosi Road

    97 m · 14 sec · Potosi Road

  27. 27

    Arrive at your destination

    0 m · 1 sec · Potosi Road

Car Route Details

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

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
27 steps
6 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
7.1 / 100 mi
Decision points by distance
Main Roads
TX 71 West
77.7 mi · 21%
Katy Freeway
74.1 mi · 20%
North US Highway 183
72.6 mi · 19%
North Neches Street
41.4 mi · 11%
Bergstrom Expressway
35.3 mi · 9%
East Commerce Street
22 mi · 6%
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
07h 03m
Overnight route
Same-Day Return
14h 06m
Round-trip wheel time
Road vs Air
+68.7 mi
309.8 mi direct line
Halfway Stop
Leander
03h 31m from Houston
Leave By
9:54 PM CST
Overnight-style route
Weather Watch

Mostly Cloudy then Slight Chance Rain Showers leaving Houston and Chance Rain Showers near Potosi.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Houston to Potosi?

The road trip is about 378.5 miles (609.1 km) and usually takes 07h 03m 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?

Leander is a useful midpoint, sitting about 189.1 miles from Houston and 189.3 miles from Potosi.

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

The direct path is about 309.8 miles (498.6 km), while the road route adds roughly 68.7 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 CST. 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 $46.92 one way or $93.84 round trip. Estimated CO2 is about 118.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Slight Chance Rain Showers around Houston and Chance Rain Showers near Potosi.

Stop Ideas Near Leander

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

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

RAIL

Austin

36 mi away
250 North Lamar Blvd.
RAIL

Taylor

43 mi away
118 East First St.
BUS

Killeen, Texas

61 mi away
200 East Avenue C
BUS

Fort Hood, Texas

63 mi away
Hood Road & Old Ironsides Ave.

Flight Path Map

This map shows the direct air route between Houston and Potosi. Straight-line distance: 309.82 mi (498.61 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
Photo coming soon

#2 Potosi

Potosi is a place in Texas, United States.

Population0
Coordinates32.3293000, -99.6564700
Altitude555
CountryUnited States
Start: Houston (-95.36327, 29.76328)
End: Potosi (-99.65647, 32.3293)

Estimated Travel Time

Distance: 609 km by road

SpeedTime
30 mph (48.3 km/h)12h 36m
40 mph (64.37 km/h)09h 27m
50 mph (80.47 km/h)07h 34m
60 mph (96.56 km/h)06h 18m
70 mph (112.65 km/h)05h 24m
80 mph (129 km/h)04h 43m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.36 gal
50.56 L · about $46.92
Round trip
$93.84
26.72 gal · 101.12 L
Estimated CO2
118.7 kg one way
Round trip: 237.5 kg / 524 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.51 $46.92 $93.84
Mid-grade $4.03 $53.81 $107.63
Premium $4.41 $58.90 $117.81
Diesel $5.62 $75.14 $150.27

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 · Nov 08, 2026

There is no time difference between Houston and Potosi. The current time is 02:27:53.

Distance to Other Cities

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