How far is Port Neches, TX from Killeen, TX?
The driving distance from Port Neches, TX to Killeen, TX is about 282.6 miles (454.8 km), with a travel time of about 05h 29m by car.
- The straight-line flight distance is about 237.4 miles (382 km).
- For a round trip, plan for roughly 10h 59m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 05h 29m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Unincorporated community in Grimes County, Texas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Port Neches and Killeen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Neches and Killeen.
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1
Start on Nall Street
26 m · 9 sec · Nall Street
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2
Turn left onto Port Neches Avenue
1.1 mi · 3 min · Port Neches Avenue
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3
Turn right onto Pure Oil Road
47 m · 3 sec · Pure Oil Road
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4
Continue on Magnolia Avenue
1.7 mi · 2 min · Magnolia Avenue
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5
Turn straight onto North Twin City Highway
3 mi · 4 min · North Twin City Highway
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6
Continue on Highway 347
1.1 km · 48 sec · Highway 347
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7
Take the ramp straight toward US 69, US 96, US 287 North
2715 ft · 1 min
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8
Merge slight left
5.6 mi · 6 min
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9
Keep slight right to continue on I 10 East, US 69 North, US 96 North, US 287 North: Lake Charles, Lufkin
900 ft · 22 sec
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10
Keep slight left to continue on I 10 East, US 69 North, US 96 North, US 287 North: Lake Charles, Lufkin
1.6 km · 1 min
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11
Take the exit slight right toward US 90: Liberty
728 ft · 18 sec
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12
Turn straight onto Interstate 10 South Frontage Road
1182 ft · 26 sec · Interstate 10 South Frontage Road
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13
Turn left onto College Street
6.4 mi · 9 min · College Street
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14
Continue straight
39.6 mi · 45 min
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15
Turn right onto North Cleveland Street
1028 ft · 24 sec · North Cleveland Street
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16
Turn left onto West Clayton Street
5.1 mi · 7 min · West Clayton Street
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17
Turn right onto East Grand Parkway North
534 ft · 15 sec · East Grand Parkway North
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18
Take the ramp straight
1295 ft · 36 sec
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19
Merge slight left onto East Grand Parkway North
43.9 mi · 47 min · East Grand Parkway North
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20
Take the exit slight right toward TX 249: Boudreaux Road, Rocky Road
2631 ft · 58 sec
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21
Continue on North Grand Parkway West
1990 ft · 40 sec · North Grand Parkway West
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22
Turn right onto Tomball Parkway
136 m · 8 sec · Tomball Parkway
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23
Take the ramp slight left toward TBT Toll North
1035 ft · 25 sec
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24
Merge slight left onto Tomball Tollway
4.9 mi · 6 min · Tomball Tollway
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25
Continue on MCTRA 249 Tollway
3.6 mi · 4 min · MCTRA 249 Tollway
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26
Continue on Aggie Expressway
24.8 mi · 27 min · Aggie Expressway
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27
Continue on State Highway 105
5.8 mi · 7 min · State Highway 105
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28
Turn right onto State Highway 6
815 ft · 16 sec · State Highway 6
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29
Take the ramp slight left
755 ft · 18 sec
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30
Merge slight left
49.8 mi · 53 min
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31
Keep slight right to continue on North State Highway 6
5.8 mi · 6 min · North State Highway 6
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32
Continue on South Main Street
1.3 mi · 2 min · South Main Street
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33
Turn left onto Browning Street
1.1 km · 1 min · Browning Street
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34
Continue on Farm-to-Market Road 979
15.3 mi · 19 min · Farm-to-Market Road 979
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35
At the end of the road, turn right onto Farm-to-Market Road 485
20.4 mi · 26 min · Farm-to-Market Road 485
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36
At the end of the road, turn left
13.1 mi · 16 min
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37
Turn left onto North General Bruce Drive
951 ft · 21 sec · North General Bruce Drive
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38
Take the ramp straight toward I 35 South
1069 ft · 26 sec
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39
Merge slight left onto Purple Heart Trail
7.1 mi · 8 min · Purple Heart Trail
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40
Keep slight right to continue on Central Texas Expressway
13.1 mi · 14 min · Central Texas Expressway
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41
Take the exit slight right toward FM 3470: Rosewood Drive, Stan Schlueter Loop
1346 ft · 33 sec
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42
Turn straight onto West Central Texas Expressway
2.9 mi · 3 min · West Central Texas Expressway
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43
Turn right onto South W.S. Young Drive
1.3 mi · 3 min · South W.S. Young Drive
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44
Turn left onto East Veterans Memorial Boulevard
1 mi · 2 min · East Veterans Memorial Boulevard
-
45
Turn right
25 m · 8 sec
-
46
Turn right
23 m · 5 sec
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47
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Port Neches and Killeen.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
State Highway 6
Merge slight left
49.8 mi · 00h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely leaving Port Neches and Chance Showers And Thunderstorms near Killeen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Neches to Killeen?
The road trip is about 282.6 miles (454.8 km) and usually takes 05h 29m 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?
Plantersville is a useful midpoint, sitting about 141.2 miles from Port Neches and 141.4 miles from Killeen.
How much longer is the road route than the straight-line distance?
The direct path is about 237.4 miles (382 km), while the road route adds roughly 45.2 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 6:00 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.68 one way or $75.35 round trip. Estimated CO2 is about 88.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms Likely around Port Neches and Chance Showers And Thunderstorms near Killeen.
Stop Ideas Near Plantersville
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 Plantersville.
Prairie View, TX
Bryan, TX
Houston
Houston, TX
Flight Path Map
This map shows the direct air route between Port Neches and Killeen. Straight-line distance: 237.36 mi (382 km).
#1 Port Neches
City in Jefferson County, Texas, United States
| Population | 12,596 |
| Coordinates | 29.9913200, -93.9585100 |
| Altitude | 5 |
| 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: 455 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 24m |
| 40 mph (64.37 km/h) | 07h 03m |
| 50 mph (80.47 km/h) | 05h 39m |
| 60 mph (96.56 km/h) | 04h 42m |
| 70 mph (112.65 km/h) | 04h 02m |
| 80 mph (129 km/h) | 03h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $37.68 | $75.35 |
| Mid-grade | $4.25 | $42.39 | $84.78 |
| Premium | $4.59 | $45.77 | $91.54 |
| Diesel | $3.99 | $39.81 | $79.62 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.