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

The driving distance from San Antonio, TX to Calvert, TX is about 189.1 miles (304.4 km), with a travel time of about 03h 26m by car.

  • The straight-line flight distance is about 152.7 miles (245.8 km).
  • For a round trip, plan for roughly 06h 52m 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
189.15 mi
03h 26m
Flight
152.75 mi
245.83 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
152.75 mi
Kilometers
245.83 km
Flight Time
00h 18m

Driving Distance

Road route
189.15 mi
Kilometers
304.41 km
Drive Time
03h 26m

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 03h 26m.

Arrival Snapshot
Arrive in Calvert
Thu, Apr 23, 11:23 AM CDT
Return by in San Antonio
Thu, Apr 23, 2:49 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-04-23T07:57
Arrive Calvert
Thu, Apr 23, 11:23 AM CDT
Route Timing
03h 26m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:26 AM to 11:26 AM CDT

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

Leave by
10:08 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

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Manor
TX

City in Travis County, Texas, United States

From San Antonio
94.6 mi
01h 43m
To Calvert
94.6 mi
01h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 10 mph SSE
Destination
83°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 15 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    10.9 mi · 11 min

  13. 13

    Take the exit slight right toward TX 130 Toll North: Austin, Waco

    1.5 km · 2 min

  14. 14

    Continue on Pickle Parkway

    73 mi · 1 hr 6 min · Pickle Parkway

  15. 15

    Take the exit slight right toward US 79: Taylor, Round Rock, Palm Valley Boulevard

    1112 ft · 27 sec

  16. 16

    Continue on US 79: Palm Valley Boulevard

    1399 ft · 34 sec

  17. 17

    Continue on TX 130 Frontage Road

    1163 ft · 35 sec · TX 130 Frontage Road

  18. 18

    Take the ramp right

    1951 ft · 33 sec

  19. 19

    Merge slight left onto Palm Valley Boulevard

    5 mi · 6 min · Palm Valley Boulevard

  20. 20

    Continue on West 2nd Street

    3.1 mi · 4 min · West 2nd Street

  21. 21

    Take the exit slight right toward US 79 North: Rockdale

    1213 ft · 26 sec

  22. 22

    Continue on Carlos G Parker Boulevard Southwest

    4.3 mi · 5 min · Carlos G Parker Boulevard Southwest

  23. 23

    Keep slight right

    53.1 mi · 1 hr 6 min

  24. 24

    Take the exit straight

    696 ft · 27 sec

  25. 25

    At the end of the road, turn left onto South Market Street

    1.6 mi · 2 min · South Market Street

  26. 26

    Continue on North State Highway 6

    1713 ft · 22 sec · North State Highway 6

  27. 27

    Keep slight right to continue on North State Highway 6

    5.8 mi · 6 min · North State Highway 6

  28. 28

    Continue on South Main Street

    1.5 km · 1 min · South Main Street

  29. 29

    Arrive at your destination

    0 m · 1 sec · South Main Street

Car Route Details

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

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
29 steps
5 turns on the saved route
Ramps & Exits
8
2 merges, 6 ramps or exits
Navigation Density
15.3 / 100 mi
Decision points by distance
Main Roads
Pickle Parkway
73 mi · 39%
Carlos G Parker Boulevard Southwest
57.5 mi · 30%
90th Infantry Division Highway
22.2 mi · 12%
I 10 East
11 mi · 6%
North State Highway 6
6.17 mi · 3%
Palm Valley Boulevard
4.96 mi · 3%
Longest Stretch

Pickle Parkway

Continue on Pickle Parkway

73 mi · 01h 06m

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
03h 26m
Long day trip
Same-Day Return
06h 52m
Round-trip wheel time
Road vs Air
+36.4 mi
152.7 mi direct line
Halfway Stop
Manor
01h 43m from San Antonio
Leave By
10:08 AM CDT
Early departure recommended
Weather Watch

Mostly Cloudy leaving San Antonio and Mostly Cloudy near Calvert.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 189.1 miles (304.4 km) and usually takes 03h 26m 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?

Manor is a useful midpoint, sitting about 94.6 miles from San Antonio and 94.6 miles from Calvert.

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

The direct path is about 152.7 miles (245.8 km), while the road route adds roughly 36.4 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 10:08 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.24 one way or $50.49 round trip. Estimated CO2 is about 59.4 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around San Antonio and Mostly Cloudy near Calvert.

Stop Ideas Near Manor

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

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

RAIL

Austin

21 mi away
250 North Lamar Blvd.
RAIL

Taylor

29 mi away
118 East First St.
RAIL

San Marcos Station

63 mi away
338 South Guadalupe St.
RAIL

Temple

86 mi away
315 West Ave B

Flight Path Map

This map shows the direct air route between San Antonio and Calvert. Straight-line distance: 152.75 mi (245.83 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
Calvert

#2 Calvert

City in Robertson County, Texas, United States

Population1,136
Coordinates30.9779700, -96.6738600
Altitude100
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Calvert (-96.67386, 30.97797)

Estimated Travel Time

Distance: 304 km by road

SpeedTime
30 mph (48.3 km/h)06h 18m
40 mph (64.37 km/h)04h 43m
50 mph (80.47 km/h)03h 46m
60 mph (96.56 km/h)03h 09m
70 mph (112.65 km/h)02h 42m
80 mph (129 km/h)02h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.68 gal
25.27 L · about $25.24
Round trip
$50.49
13.36 gal · 50.54 L
Estimated CO2
59.4 kg one way
Round trip: 118.7 kg / 262 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $25.24 $50.49
Mid-grade $4.25 $28.40 $56.81
Premium $4.59 $30.67 $61.34
Diesel $3.99 $26.67 $53.35

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 San Antonio and Calvert. The current time is 07:57:53.

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.