How far is Dallas, TX from Heidelberg, TX?

The driving distance from Dallas, TX to Heidelberg, TX is about 503.5 miles (810.3 km), with a travel time of about 09h 18m by car.

  • The straight-line flight distance is about 459.6 miles (739.7 km).
  • For a round trip, plan for roughly 18h 37m 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
503.52 mi
09h 18m
Flight
459.6 mi
739.65 km direct

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

Learn Distance

Choose another destination from Dallas.

Flight Distance

Direct air line
459.6 mi
Kilometers
739.65 km
Flight Time
00h 55m

Driving Distance

Road route
503.52 mi
Kilometers
810.33 km
Drive Time
09h 18m

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 09h 18m.

Arrival Snapshot
Arrive in Heidelberg
Sat, Nov 7, 3:33 PM CST
Return by in Dallas
Sun, Nov 8, 12:52 AM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dallas
2026-11-07T06:15
Arrive Heidelberg
Sat, Nov 7, 3:33 PM CST
Route Timing
09h 18m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CST
Treat this as a longer travel day
Arrive between
3:19 PM to 4:49 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
5:22 PM CST
Keeps a same-day return open with about 08h 00m at the destination.
Back in Dallas
8:00 PM CST
Overnight-style route

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
Kingsbury
TX

Census designated place

From Dallas
252.2 mi
04h 39m
To Heidelberg
251.3 mi
04h 39m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Saturday

Partly Sunny

Starts
Sat, Nov 7 6:00 AM CST
Wind
5 mph NNE
Destination
68°F
Overnight

Chance Rain Showers

Starts
Sat, Nov 7 12:00 AM CST
Wind
6 mph N

Driving Route Map

The map below follows the saved road route between Dallas and Heidelberg.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dallas and Heidelberg.

  1. 1

    Start on North Lamar Street

    1233 ft · 34 sec · North Lamar Street

  2. 2

    Turn right onto Elm Street

    1125 ft · 31 sec · Elm Street

  3. 3

    Continue on Elm Street

    709 ft · 14 sec · Elm Street

  4. 4

    Take the ramp straight toward I 30, I 35E

    100 m · 8 sec

  5. 5

    Keep slight left to continue on I 30 West, I 35E South

    835 ft · 20 sec

  6. 6

    Keep slight right to continue on I 35E South

    101 m · 8 sec

  7. 7

    Merge slight right onto South Stemmons Freeway

    1.4 km · 1 min · South Stemmons Freeway

  8. 8

    Continue on South R L Thornton Freeway

    2866 ft · 44 sec · South R L Thornton Freeway

  9. 9

    Continue on South R L Thornton Freeway

    89.3 mi · 1 hr 32 min · South R L Thornton Freeway

  10. 10

    Continue on North Jack Kultgen Expressway

    6.6 mi · 8 min · North Jack Kultgen Expressway

  11. 11

    Continue on Purple Heart Trail

    37.9 mi · 39 min · Purple Heart Trail

  12. 12

    Keep slight left

    26.5 mi · 27 min

  13. 13

    Take the exit slight right toward TX 130 Toll South: San Antonio

    1.1 km · 56 sec

  14. 14

    Continue straight

    58.5 mi · 55 min

  15. 15

    Take the exit slight right toward US 183 South: Lockhart

    1219 ft · 30 sec

  16. 16

    Continue on United States Highway 183

    2699 ft · 35 sec · United States Highway 183

  17. 17

    Continue on North Colorado Street

    4.9 mi · 9 min · North Colorado Street

  18. 18

    Continue on US 183

    10.1 mi · 12 min · US 183

  19. 19

    Continue on North Magnolia Avenue

    4.2 mi · 7 min · North Magnolia Avenue

  20. 20

    Continue straight

    51.2 mi · 57 min

  21. 21

    Turn slight left onto Farm-to-Market Road 792

    8.4 mi · 11 min · Farm-to-Market Road 792

  22. 22

    Continue on East Main Street

    1.3 km · 1 min · East Main Street

  23. 23

    Turn left onto South Sunset Strip Drive

    1.2 mi · 1 min · South Sunset Strip Drive

  24. 24

    Continue on South US Highway 181

    40.2 mi · 46 min · South US Highway 181

  25. 25

    Continue on North 8th Street

    1.3 km · 56 sec · North 8th Street

  26. 26

    Continue on US Highway 181 South

    16.1 mi · 18 min · US Highway 181 South

  27. 27

    Take the exit slight right

    1648 ft · 45 sec

  28. 28

    Keep slight right to continue on US Route 181

    65 m · 6 sec · US Route 181

  29. 29

    Turn straight onto US Highway 181

    1.1 km · 1 min · US Highway 181

  30. 30

    Take the ramp right

    1926 ft · 47 sec

  31. 31

    Merge slight left

    11.9 mi · 14 min

  32. 32

    Take the exit straight toward I 37, US 77, I 69E

    538 ft · 13 sec

  33. 33

    Keep slight left

    1965 ft · 48 sec

  34. 34

    Merge slight right

    2.5 mi · 2 min

  35. 35

    Take the exit slight right toward I 69E, US 77: Kingsville, Brownsville

    31.3 mi · 34 min

  36. 36

    Keep slight left to continue on U.S. Highway 77

    61.3 mi · 1 hr 9 min · U.S. Highway 77

  37. 37

    Keep slight left to continue on U.S. Highway 77

    17.9 mi · 19 min · U.S. Highway 77

  38. 38

    Take the exit slight right toward Spur 413 West, FM 2629 East

    1162 ft · 28 sec

  39. 39

    Turn straight onto Interstate 69E Frontage Road

    1109 ft · 24 sec · Interstate 69E Frontage Road

  40. 40

    Turn right onto East Main Street

    1.7 mi · 3 min · East Main Street

  41. 41

    Continue straight

    6.4 mi · 11 min

  42. 42

    Turn right onto Santa Cruz Avenue

    2.4 mi · 4 min · Santa Cruz Avenue

  43. 43

    Turn left onto Farm to Market Road 1425

    2 mi · 3 min · Farm to Market Road 1425

  44. 44

    Continue on Mile 2 East Road

    3.1 mi · 6 min · Mile 2 East Road

  45. 45

    Turn right onto Linden Street

    153 m · 22 sec · Linden Street

  46. 46

    Arrive at your destination

    0 m · 1 sec · Linden Street

Car Route Details

A richer read on the saved driving route between Dallas and Heidelberg.

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
46 steps
9 turns on the saved route
Ramps & Exits
11
3 merges, 8 ramps or exits
Navigation Density
9.1 / 100 mi
Decision points by distance
Main Roads
South R L Thornton Freeway
89.9 mi · 18%
U.S. Highway 77
79.2 mi · 16%
Purple Heart Trail
64.4 mi · 13%
TX 130 Toll South
59.2 mi · 12%
North Magnolia Avenue
55.4 mi · 11%
South US Highway 181
40.2 mi · 8%
Longest Stretch

South R L Thornton Freeway

Continue on South R L Thornton Freeway

89.3 mi · 01h 32m

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
09h 18m
Overnight route
Same-Day Return
18h 38m
Round-trip wheel time
Road vs Air
+43.9 mi
459.6 mi direct line
Halfway Stop
Kingsbury
04h 39m from Dallas
Leave By
5:22 PM CST
Overnight-style route
Weather Watch

Partly Sunny leaving Dallas and Chance Rain Showers near Heidelberg.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dallas to Heidelberg?

The road trip is about 503.5 miles (810.3 km) and usually takes 09h 18m 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?

Kingsbury is a useful midpoint, sitting about 252.2 miles from Dallas and 251.3 miles from Heidelberg.

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

The direct path is about 459.6 miles (739.7 km), while the road route adds roughly 43.9 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 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 $63.63 one way or $127.27 round trip. Estimated CO2 is about 157.9 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Dallas and Chance Rain Showers near Heidelberg.

Stop Ideas Near Kingsbury

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

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

RAIL

San Marcos Station

28 mi away
338 South Guadalupe St.
RAIL

San Antonio Station

68 mi away
350 Hoefgen Street
RAIL

Austin

69 mi away
250 North Lamar Blvd.
RAIL

Taylor

110 mi away
118 East First St.

Flight Path Map

This map shows the direct air route between Dallas and Heidelberg. Straight-line distance: 459.6 mi (739.65 km).

Dallas

#1 Dallas

The ninth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.

Population1,343,266
Coordinates32.7830600, -96.8066700
Altitude128
CountryUnited States
Photo coming soon

#2 Heidelberg

Heidelberg is a place in Texas, United States.

Population0
Coordinates26.1970200, -97.8802800
Altitude18
CountryUnited States
Start: Dallas (-96.80667, 32.78306)
End: Heidelberg (-97.88028, 26.19702)

Estimated Travel Time

Distance: 810 km by road

SpeedTime
30 mph (48.3 km/h)16h 46m
40 mph (64.37 km/h)12h 35m
50 mph (80.47 km/h)10h 04m
60 mph (96.56 km/h)08h 23m
70 mph (112.65 km/h)07h 11m
80 mph (129 km/h)06h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
17.77 gal
67.26 L · about $63.63
Round trip
$127.27
35.54 gal · 134.52 L
Estimated CO2
157.9 kg one way
Round trip: 315.8 kg / 696 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.58 $63.63 $127.27
Mid-grade $4.09 $72.75 $145.50
Premium $4.47 $79.47 $158.93
Diesel $5.68 $100.97 $201.94

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 06, 2026

There is no time difference between Dallas and Heidelberg. The current time is 06:15:04.

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.