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

The driving distance from Kemp, TX to San Antonio, TX is about 289.9 miles (466.6 km), with a travel time of about 04h 45m by car.

  • The straight-line flight distance is about 248 miles (399.1 km).
  • For a round trip, plan for roughly 09h 31m 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
289.91 mi
04h 45m
Flight
247.96 mi
399.06 km direct

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

Learn Distance

Choose another destination from Kemp.

Flight Distance

Direct air line
247.96 mi
Kilometers
399.06 km
Flight Time
00h 29m

Driving Distance

Road route
289.91 mi
Kilometers
466.57 km
Drive Time
04h 45m

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 45m.

Arrival Snapshot
Arrive in San Antonio
Fri, May 1, 5:05 PM CDT
Return by in Kemp
Fri, May 1, 9:51 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kemp
2026-05-01T12:19
Arrive San Antonio
Fri, May 1, 5:05 PM CDT
Route Timing
04h 45m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:46 AM to 12:46 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
7:28 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Kemp
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
Belton
TX

City in Texas, USA

From Kemp
140.7 mi
02h 22m
To San Antonio
149.2 mi
02h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
59°F
Friday

Showers And Thunderstorms

Starts
Fri, May 1 6:00 AM CDT
Wind
10 to 15 mph NE
Destination
77°F
Friday

Showers And Thunderstorms

Starts
Fri, May 1 6:00 AM CDT
Wind
10 to 15 mph NNE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East 9th Street

    35 m · 8 sec · East 9th Street

  2. 2

    Turn left onto South Elm Street

    1.2 km · 1 min · South Elm Street

  3. 3

    Turn straight

    103 m · 12 sec

  4. 4

    Turn slight right onto South State Highway 274

    9.7 mi · 14 min · South State Highway 274

  5. 5

    Continue on North Tool Drive

    5.8 mi · 9 min · North Tool Drive

  6. 6

    Continue on State Highway 274

    7.1 mi · 11 min · State Highway 274

  7. 7

    Turn right onto State Highway 31 West

    8 mi · 9 min · State Highway 31 West

  8. 8

    Continue on Northwest 2nd Street

    9.3 mi · 11 min · Northwest 2nd Street

  9. 9

    Turn left onto Corsicana Bypass

    11.8 mi · 14 min · Corsicana Bypass

  10. 10

    At the end of the road, turn left onto West State Highway 31

    18.8 mi · 21 min · West State Highway 31

  11. 11

    Continue on Hubbard Bypass

    5.5 mi · 6 min · Hubbard Bypass

  12. 12

    Continue on State Highway 31

    17.2 mi · 17 min · State Highway 31

  13. 13

    Continue on East US Highway 84

    2.5 mi · 3 min · East US Highway 84

  14. 14

    Continue on Bellmead Drive

    2.6 mi · 5 min · Bellmead Drive

  15. 15

    Turn straight onto East Waco Drive

    2288 ft · 1 min · East Waco Drive

  16. 16

    Turn left onto North Jack Kultgen Expressway

    158 m · 12 sec · North Jack Kultgen Expressway

  17. 17

    Take the ramp straight toward I 35 South, US 77 South

    1524 ft · 37 sec

  18. 18

    Merge slight left onto North Jack Kultgen Expressway

    6.1 mi · 7 min · North Jack Kultgen Expressway

  19. 19

    Continue on Purple Heart Trail

    37.9 mi · 39 min · Purple Heart Trail

  20. 20

    Keep slight left

    55.8 mi · 59 min

  21. 21

    Keep slight left to continue on Purple Heart Trail

    49.8 mi · 55 min · Purple Heart Trail

  22. 22

    Continue on Interstate Highway 35

    1.7 mi · 2 min · Interstate Highway 35

  23. 23

    Continue on Purple Heart Trail

    11.9 mi · 13 min · Purple Heart Trail

  24. 24

    Continue on North Pan Am Expressway

    10 mi · 12 min · North Pan Am Expressway

  25. 25

    Keep slight left to continue on North Pan Am Expressway

    6.4 mi · 8 min · North Pan Am Expressway

  26. 26

    Keep slight left to continue on North Pan Am Expressway

    2907 ft · 41 sec · North Pan Am Expressway

  27. 27

    Take the exit slight right toward Lexington Avenue, Main Avenue, San Pedro Avenue

    684 ft · 17 sec

  28. 28

    Turn straight onto East Elmira Street

    526 ft · 17 sec · East Elmira Street

  29. 29

    Turn left onto North Main Avenue

    830 ft · 19 sec · North Main Avenue

  30. 30

    Enter the roundabout and take exit 2 toward Navarro Street

    49 m · 3 sec · Navarro Street

  31. 31

    Exit the roundabout onto Navarro Street

    34 m · 2 sec · Navarro Street

  32. 32

    Keep slight right to continue on North Main Avenue

    2181 ft · 52 sec · North Main Avenue

  33. 33

    Turn right onto West Travis Street

    68 m · 11 sec · West Travis Street

  34. 34

    Turn left onto North Flores Street

    807 ft · 20 sec · North Flores Street

  35. 35

    Continue on Military Plaza

    119 m · 16 sec · Military Plaza

  36. 36

    Turn left onto Dolorosa Street

    100 m · 8 sec · Dolorosa Street

  37. 37

    Arrive at your destination

    0 m · 1 sec · Dolorosa Street

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
37 steps
15 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
12.8 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
155 mi · 54%
West State Highway 31
18.8 mi · 6%
State Highway 31
17.2 mi · 6%
North Pan Am Expressway
17 mi · 6%
Corsicana Bypass
11.8 mi · 4%
South State Highway 274
9.66 mi · 3%
Longest Stretch

Purple Heart Trail

Keep slight left

55.8 mi · 00h 59m

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 45m
Long day trip
Same-Day Return
09h 32m
Round-trip wheel time
Road vs Air
+41.9 mi
248 mi direct line
Halfway Stop
Belton
02h 22m from Kemp
Leave By
7:28 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving Kemp and Showers And Thunderstorms near San Antonio.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 289.9 miles (466.6 km) and usually takes 04h 45m 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?

Belton is a useful midpoint, sitting about 140.7 miles from Kemp and 149.2 miles from San Antonio.

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

The direct path is about 248 miles (399.1 km), while the road route adds roughly 41.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:28 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $38.66 one way or $77.32 round trip. Estimated CO2 is about 90.9 kg one way.

What should you check before leaving?

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

Stop Ideas Near Belton

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

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

RAIL

Temple

12 mi away
315 West Ave B
BUS

Killeen, Texas

26 mi away
200 East Avenue C
BUS

Fort Hood, Texas

30 mi away
Hood Road & Old Ironsides Ave.
RAIL

McGregor

43 mi away
1 Amtrak Blvd.

Flight Path Map

This map shows the direct air route between Kemp and San Antonio. Straight-line distance: 247.96 mi (399.06 km).

Photo coming soon

#1 Kemp

Town of the United States

Population1,251
Coordinates32.4426400, -96.2299800
Altitude116
CountryUnited States
San Antonio

#2 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
Start: East 9th Street (-96.230107, 32.442881)
End: Dolorosa Street (-98.493645, 29.424163)

Estimated Travel Time

Distance: 467 km by road

SpeedTime
30 mph (48.3 km/h)09h 39m
40 mph (64.37 km/h)07h 14m
50 mph (80.47 km/h)05h 47m
60 mph (96.56 km/h)04h 49m
70 mph (112.65 km/h)04h 08m
80 mph (129 km/h)03h 37m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.23 gal
38.73 L · about $38.66
Round trip
$77.32
20.46 gal · 77.46 L
Estimated CO2
90.9 kg one way
Round trip: 181.8 kg / 401 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $38.66 $77.32
Mid-grade $4.25 $43.50 $87.00
Premium $4.59 $46.97 $93.93
Diesel $3.99 $40.85 $81.70

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 Kemp and San Antonio. The current time is 12:19:13.

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.