How far is San Antonio, TX from Danbury, TX?

The driving distance from San Antonio, TX to Danbury, TX is about 238.5 miles (383.8 km), with a travel time of about 04h 22m by car.

  • The straight-line flight distance is about 190.1 miles (306 km).
  • For a round trip, plan for roughly 08h 45m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
238.49 mi
04h 22m
Flight
190.15 mi
306.02 km direct

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

Learn Distance

Choose another destination from San Antonio.

Flight Distance

Direct air line
190.15 mi
Kilometers
306.02 km
Flight Time
00h 22m

Driving Distance

Road route
238.49 mi
Kilometers
383.81 km
Drive Time
04h 22m

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 04h 22m.

Arrival Snapshot
Arrive in Danbury
Fri, May 1, 9:27 AM CDT
Return by in San Antonio
Fri, May 1, 1:50 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-05-01T05:05
Arrive Danbury
Fri, May 1, 9:27 AM CDT
Route Timing
04h 22m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:23 AM to 12:23 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:14 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in San Antonio
9:00 PM CDT
Early departure recommended

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
Columbus
TX

City in Colorado County, Texas, United States

From San Antonio
119.1 mi
02h 11m
To Danbury
119.4 mi
02h 11m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
77°F
Friday

Showers And Thunderstorms

Starts
Fri, May 1 6:00 AM CDT
Wind
10 to 15 mph NNE
Destination
80°F
Friday

Chance Showers And Thunderstorms

Starts
Fri, May 1 6:00 AM CDT
Wind
5 to 15 mph SE

Driving Route Map

The map below follows the saved road route between San Antonio and Danbury.

Turn-by-Turn Driving Directions

Step-by-step road directions between San Antonio and Danbury.

  1. 1

    Start on Dolorosa Street

    44 m · 5 sec · Dolorosa Street

  2. 2

    Continue on West Market Street

    1893 ft · 42 sec · West Market Street

  3. 3

    Continue on East Market Street

    2143 ft · 46 sec · East Market Street

  4. 4

    Turn left

    111 m · 13 sec

  5. 5

    Turn straight onto East Commerce Street

    1.2 km · 1 min · East Commerce Street

  6. 6

    Keep slight left to continue on East Commerce Street

    2.7 mi · 4 min · East Commerce Street

  7. 7

    Turn slight right onto East Houston Street

    1349 ft · 31 sec · East Houston Street

  8. 8

    Turn left onto Interstate 10 East

    583 ft · 12 sec · Interstate 10 East

  9. 9

    Take the ramp slight left toward I 10 East, US 90 East

    874 ft · 21 sec

  10. 10

    Merge slight left onto Jose Lopez Freeway

    1.8 mi · 2 min · Jose Lopez Freeway

  11. 11

    Continue on 90th Infantry Division Highway

    22.2 mi · 23 min · 90th Infantry Division Highway

  12. 12

    Continue on I 10 East: Houston, Austin, Waco

    152.5 mi · 2 hr 36 min

  13. 13

    Take the exit slight right toward Sam Houston Tollway

    2115 ft · 52 sec

  14. 14

    Keep slight right to continue on SHT South

    1.1 km · 1 min

  15. 15

    Merge slight left onto West Sam Houston Tollway North

    1.4 mi · 2 min · West Sam Houston Tollway North

  16. 16

    Keep slight left to continue on West Sam Houston Tollway South

    5.6 mi · 6 min · West Sam Houston Tollway South

  17. 17

    Continue on West Sam Houston Parkway South

    1.9 mi · 2 min · West Sam Houston Parkway South

  18. 18

    Continue on South Sam Houston Tollway West

    10.4 mi · 12 min · South Sam Houston Tollway West

  19. 19

    Take the exit slight right toward TX 288 Toll North, TX 288 South: Downtown, Lake Jackson, Freeport

    2365 ft · 58 sec

  20. 20

    Keep slight right to continue on TX 288 Toll South, TX 288 South: Lake Jackson, Freeport

    1917 ft · 47 sec

  21. 21

    Continue on South Freeway

    1077 ft · 15 sec · South Freeway

  22. 22

    Keep slight left to continue on TX 288 Toll South

    900 ft · 13 sec

  23. 23

    Merge slight left

    5 mi · 6 min

  24. 24

    Merge slight right onto South Freeway

    1312 ft · 17 sec · South Freeway

  25. 25

    Continue on Nolan Ryan Expressway

    17.9 mi · 20 min · Nolan Ryan Expressway

  26. 26

    Take the exit slight right toward TX 288 Business South: Angleton

    1845 ft · 51 sec

  27. 27

    Turn left onto North Business State Highway 288

    2.9 mi · 4 min · North Business State Highway 288

  28. 28

    Continue on North Velasco Street

    1.3 mi · 2 min · North Velasco Street

  29. 29

    Turn left onto FM 523

    2.5 mi · 4 min · FM 523

  30. 30

    Turn left onto East Mulberry Street

    3.8 mi · 6 min · East Mulberry Street

  31. 31

    Turn right onto Main Street

    1.6 mi · 3 min · Main Street

  32. 32

    Turn left onto 5th Street

    18 m · 2 sec · 5th Street

  33. 33

    Arrive at your destination

    0 m · 1 sec · 5th Street

Car Route Details

A richer read on the saved driving route between San Antonio and Danbury.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
33 steps
9 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
13.8 / 100 mi
Decision points by distance
Main Roads
I 10 East
153 mi · 64%
90th Infantry Division Highway
22.2 mi · 9%
Nolan Ryan Expressway
17.9 mi · 7%
South Sam Houston Tollway West
10.4 mi · 4%
West Sam Houston Tollway South
5.59 mi · 2%
TX 288 Toll South
5.56 mi · 2%
Longest Stretch

I 10 East

Continue on I 10 East: Houston, Austin, Waco

152 mi · 02h 36m

Route Summary

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

Trip Read

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.

Drive Time
04h 22m
Long day trip
Same-Day Return
08h 46m
Round-trip wheel time
Road vs Air
+48.4 mi
190.1 mi direct line
Halfway Stop
Columbus
02h 11m from San Antonio
Leave By
8:14 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving San Antonio and Chance Showers And Thunderstorms near Danbury.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Antonio to Danbury?

The road trip is about 238.5 miles (383.8 km) and usually takes 04h 22m 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?

Columbus is a useful midpoint, sitting about 119.1 miles from San Antonio and 119.4 miles from Danbury.

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

The direct path is about 190.1 miles (306 km), while the road route adds roughly 48.4 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 8:14 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $31.82 one way or $63.64 round trip. Estimated CO2 is about 74.8 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around San Antonio and Chance Showers And Thunderstorms near Danbury.

Stop Ideas Near Columbus

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

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

BUS

Prairie View, TX

67 mi away
44814 US Highway 290 Business \r\n
BUS

Bryan, TX

109 mi away
301 East 26th Street
RAIL

Houston

113 mi away
902 Washington Ave.
BUS

Houston, TX

113 mi away
2121 Main Street

Flight Path Map

This map shows the direct air route between San Antonio and Danbury. Straight-line distance: 190.15 mi (306.02 km).

San Antonio

#1 San Antonio

The seventh most populous city in the United States and the center of the San Antonio metropolitan area.

Population1,567,118
Coordinates29.4241200, -98.4936300
Altitude198
CountryUnited States
Danbury

#2 Danbury

City in Texas

Population1,757
Coordinates29.2283000, -95.3449400
Altitude7
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Danbury (-95.34494, 29.2283)

Estimated Travel Time

Distance: 384 km by road

SpeedTime
30 mph (48.3 km/h)07h 56m
40 mph (64.37 km/h)05h 57m
50 mph (80.47 km/h)04h 46m
60 mph (96.56 km/h)03h 58m
70 mph (112.65 km/h)03h 24m
80 mph (129 km/h)02h 58m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.42 gal
31.86 L · about $31.82
Round trip
$63.64
16.84 gal · 63.72 L
Estimated CO2
74.8 kg one way
Round trip: 149.7 kg / 330 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $31.82 $63.64
Mid-grade $4.25 $35.80 $71.60
Premium $4.59 $38.66 $77.31
Diesel $3.99 $33.62 $67.24

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 01, 2026

There is no time difference between San Antonio and Danbury. The current time is 05:05:02.

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.