How far is Union, KY from Killeen, TX?
The driving distance from Union, KY to Killeen, TX is about 1072.9 miles (1726.7 km), with a travel time of about 19h 06m by car.
- The straight-line flight distance is about 913.5 miles (1470.2 km).
- For a round trip, plan for roughly 38h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 19h 06m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Monroe County, Arkansas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Union and Killeen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Killeen.
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1
Start on Union School Road
45 m · 12 sec · Union School Road
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2
Turn left onto Old Union Road
110 m · 9 sec · Old Union Road
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3
Enter the roundabout and take exit 3 toward Mount Zion Road
59 m · 4 sec · Mount Zion Road
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4
Exit the roundabout onto Mount Zion Road
1128 ft · 26 sec · Mount Zion Road
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5
Turn right
797 ft · 13 sec
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6
Continue straight
7.7 mi · 11 min
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7
Turn left onto Verona-Mudlick Road
2.1 mi · 4 min · Verona-Mudlick Road
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8
Take the ramp right
1320 ft · 32 sec
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9
Merge slight left
66.5 mi · 1 hr 12 min
-
10
Take the exit slight left toward I 264 West: Watterson Expressway
2346 ft · 45 sec
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11
Continue on Henry Watterson Expressway
10 mi · 14 min · Henry Watterson Expressway
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12
Take the exit slight right toward I 65, KY 61: Nashville, Indianapolis
936 ft · 15 sec
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13
Keep slight left to continue on I 65: Nashville, Downtown Louisville, Indianapolis
963 ft · 15 sec
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14
Keep slight left to continue on I 65 South: Nashville
1 mi · 2 min
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15
Merge slight left
165.5 mi · 2 hr 59 min
-
16
Take the exit slight right toward I 65 South: Huntisville, Memphis
1735 ft · 33 sec
-
17
Merge slight left onto Downtown Loop
1.6 mi · 2 min · Downtown Loop
-
18
Take the exit slight left toward I 40 West: Memphis
3193 ft · 49 sec
-
19
Merge slight left
196.4 mi · 3 hr 33 min
-
20
Take the exit slight right toward I 240 West, I 40 West: Jackson Mississippi, Little Rock
680 ft · 9 sec
-
21
Keep slight right to continue on I 40 West: Little Rock
11.1 mi · 13 min
-
22
Keep slight left
128.5 mi · 2 hr 12 min
-
23
Take the exit slight right toward I 40, AR 440: Jacksonville, Texarkana
1096 ft · 27 sec
-
24
Keep slight left to continue on I 440 West: Texarkana
1.3 km · 2 min
-
25
Merge slight left onto East Belt Freeway
9.8 mi · 11 min · East Belt Freeway
-
26
Continue straight
23.7 mi · 26 min
-
27
Continue straight
291.2 mi · 4 hr 57 min
-
28
Take the exit slight right toward I 35E: Denton, Waco
3065 ft · 1 min
-
29
Keep slight left to continue on I 35E South, I 35E North: Waco, Denton
607 ft · 15 sec
-
30
Keep slight left to continue on I 35E North, I 35E South: Denton, Waco
67 m · 5 sec
-
31
Keep slight left to continue on I 35E South: Waco
1915 ft · 30 sec
-
32
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
-
33
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
-
34
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
-
35
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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36
Keep slight right to continue on Central Texas Expressway
13.1 mi · 14 min · Central Texas Expressway
-
37
Take the exit slight right toward FM 3470: Rosewood Drive, Stan Schlueter Loop
1346 ft · 33 sec
-
38
Turn straight onto West Central Texas Expressway
2.9 mi · 3 min · West Central Texas Expressway
-
39
Turn right onto South W.S. Young Drive
1.3 mi · 3 min · South W.S. Young Drive
-
40
Turn left onto East Veterans Memorial Boulevard
1 mi · 2 min · East Veterans Memorial Boulevard
-
41
Turn right
25 m · 8 sec
-
42
Turn right
23 m · 5 sec
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43
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Union and Killeen.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
East Belt Freeway
Continue straight
291 mi · 04h 58m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny then Chance Showers And Thunderstorms leaving Union and Mostly Sunny near Killeen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Killeen?
The road trip is about 1072.9 miles (1726.7 km) and usually takes 19h 06m 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?
Brinkley is a useful midpoint, sitting about 534.6 miles from Union and 538.4 miles from Killeen.
How much longer is the road route than the straight-line distance?
The direct path is about 913.5 miles (1470.2 km), while the road route adds roughly 159.4 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 7:30 AM EDT. 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 $158.67 one way or $317.34 round trip. Estimated CO2 is about 336.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Union and Killeen, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Union and Mostly Sunny near Killeen.
Stop Ideas Near Brinkley
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Brinkley.
Little Rock Union Station
Central Station
Flight Path Map
This map shows the direct air route between Union and Killeen. Straight-line distance: 913.56 mi (1470.24 km).
#1 Union
Township in Boone County, Iowa
| Population | 6,116 |
| Coordinates | 38.9459000, -84.6805000 |
| Altitude | 255 |
| Country | United States |
#2 Killeen
The 11th most populous city in Texas.
| Population | 153,991 |
| Coordinates | 31.1171200, -97.7278000 |
| Altitude | 252 |
| Country | United States |
End: Killeen (-97.7278, 31.11712)
Estimated Travel Time
Distance: 1727 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 35h 45m |
| 40 mph (64.37 km/h) | 26h 49m |
| 50 mph (80.47 km/h) | 21h 27m |
| 60 mph (96.56 km/h) | 17h 52m |
| 70 mph (112.65 km/h) | 15h 19m |
| 80 mph (129 km/h) | 13h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.19 | $158.67 | $317.34 |
| Mid-grade | $4.75 | $179.76 | $359.52 |
| Premium | $5.18 | $196.15 | $392.31 |
| Diesel | $6.32 | $239.31 | $478.63 |
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 Kentucky · Sep 20, 2026