How far is Port Neches, TX from Grand Prairie, TX?
The driving distance from Port Neches, TX to Grand Prairie, TX is about 315.7 miles (508 km), with a travel time of about 05h 11m by car.
- The straight-line flight distance is about 261.5 miles (420.8 km).
- For a round trip, plan for roughly 10h 22m 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 11m.
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.
Town in Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Port Neches and Grand Prairie.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Neches and Grand Prairie.
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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
2.8 mi · 4 min
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11
Take the exit slight right toward US 69 North, US 96 North, US 287 North: Lufkin, Jasper
10.2 mi · 11 min · Eastex Freeway
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12
Keep slight left to continue on US 69 North, US 287 North: Kountze, Lufkin
93.6 mi · 1 hr 46 min
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13
Turn right onto South Chestnut Street
2929 ft · 1 min · South Chestnut Street
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14
Turn straight
93 m · 11 sec
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15
Turn straight onto South Timberland Drive
1.2 mi · 2 min · South Timberland Drive
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16
Turn left onto Kurth Drive
2.1 mi · 3 min · Kurth Drive
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17
At the end of the road, turn left onto Loop 287 Frontage Road
3051 ft · 60 sec · Loop 287 Frontage Road
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18
Take the ramp straight
780 ft · 22 sec
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19
Merge slight left
53.6 mi · 1 hr 3 min
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20
Turn left onto Alexander Boulevard
937 ft · 20 sec · Alexander Boulevard
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21
Continue on Frankston Highway
3163 ft · 56 sec · Frankston Highway
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22
Continue on US Highway 175 West
9.6 mi · 11 min · US Highway 175 West
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23
Turn slight right
3.8 mi · 4 min
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24
Merge slight left onto East Pine Street
1.9 mi · 3 min · East Pine Street
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25
Continue on US Highway 175
20.8 mi · 22 min · US Highway 175
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26
Continue on East Corsicana Street
2.5 mi · 5 min · East Corsicana Street
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27
Keep slight right to continue on US Highway 175 West
68.8 mi · 1 hr 15 min · US Highway 175 West
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28
Merge slight left onto Julius Schepps Freeway
1.7 mi · 2 min · Julius Schepps Freeway
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29
Take the exit slight right toward I 30
978 ft · 24 sec
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30
Keep slight left to continue on I 30 West
2818 ft · 1 min
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31
Keep slight left
1037 ft · 25 sec
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32
Merge slight left onto East R L Thornton Freeway
1.2 km · 1 min · East R L Thornton Freeway
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33
Continue on Tom Landry Freeway
10.7 mi · 12 min · Tom Landry Freeway
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34
Take the exit slight right toward Belt Line Road
1342 ft · 23 sec
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35
Turn straight onto East Interstate 30
2496 ft · 50 sec · East Interstate 30
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36
Turn left onto North Belt Line Road
1.2 km · 2 min · North Belt Line Road
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37
Continue on North Belt Line Road
532 ft · 13 sec · North Belt Line Road
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38
Turn right onto Davis Street
1068 ft · 26 sec · Davis Street
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39
Turn slight right onto East Main Street
5 m · 3 sec · East Main Street
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40
Turn right
23 m · 5 sec
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41
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Port Neches and Grand Prairie.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
US 69 North
Keep slight left to continue on US 69 North, US 287 North: Kountze, Lufkin
93.6 mi · 01h 47m
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.
Mostly Sunny leaving Port Neches and Sunny near Grand Prairie.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Neches to Grand Prairie?
The road trip is about 315.7 miles (508 km) and usually takes 05h 11m 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?
Alto is a useful midpoint, sitting about 150.9 miles from Port Neches and 164.8 miles from Grand Prairie.
How much longer is the road route than the straight-line distance?
The direct path is about 261.5 miles (420.8 km), while the road route adds roughly 54.2 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 6:38 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.10 one way or $84.20 round trip. Estimated CO2 is about 99 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Port Neches and Sunny near Grand Prairie.
Stop Ideas Near Alto
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 Alto.
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Longview
Mineola
Flight Path Map
This map shows the direct air route between Port Neches and Grand Prairie. Straight-line distance: 261.45 mi (420.77 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 Grand Prairie
The ninth most populous city in Texas.
| Population | 195,272 |
| Coordinates | 32.7459600, -96.9977800 |
| Altitude | 157 |
| Country | United States |
End: (-96.997772, 32.74596)
Estimated Travel Time
Distance: 508 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 31m |
| 40 mph (64.37 km/h) | 07h 53m |
| 50 mph (80.47 km/h) | 06h 18m |
| 60 mph (96.56 km/h) | 05h 15m |
| 70 mph (112.65 km/h) | 04h 30m |
| 80 mph (129 km/h) | 03h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $42.10 | $84.20 |
| Mid-grade | $4.25 | $47.37 | $94.73 |
| Premium | $4.59 | $51.14 | $102.29 |
| Diesel | $3.99 | $44.48 | $88.96 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.