How far is Grand Prairie, TX from Bay City, TX?
The driving distance from Grand Prairie, TX to Bay City, TX is about 317.1 miles (510.3 km), with a travel time of about 06h 13m by car.
- The straight-line flight distance is about 267.1 miles (429.8 km).
- For a round trip, plan for roughly 12h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 13m.
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 Robertson County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Partly Sunny
Driving Route Map
The map below follows the saved road route between Grand Prairie and Bay City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grand Prairie and Bay City.
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1
Start on the route
67 m · 22 sec
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2
Turn left onto Northeast 5th Street
58 m · 14 sec · Northeast 5th Street
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3
Turn left onto East Main Street
1069 ft · 27 sec · East Main Street
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4
Turn right onto South Belt Line Road
5.4 mi · 10 min · South Belt Line Road
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5
Take the ramp left toward I 20 East
1720 ft · 42 sec
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6
Merge slight left onto Lyndon B Johnson Freeway
9.3 mi · 10 min · Lyndon B Johnson Freeway
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7
Take the exit slight right toward I 35E South: Waco
2016 ft · 45 sec
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8
Merge slight left onto South R L Thornton Freeway
80.5 mi · 1 hr 22 min · South R L Thornton Freeway
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9
Continue on North Jack Kultgen Expressway
620 ft · 8 sec · North Jack Kultgen Expressway
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10
Take the exit slight right toward US 77 Business: Elm Avenue
2197 ft · 54 sec
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11
Turn straight onto North Jack Kultgen Expressway
740 ft · 17 sec · North Jack Kultgen Expressway
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12
Turn left onto North Loop Drive
1 mi · 2 min · North Loop Drive
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13
Continue on Marlin Highway
2.7 mi · 3 min · Marlin Highway
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14
Continue on East State Highway 6
9.1 mi · 9 min · East State Highway 6
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15
Continue on North Memorial Street
2.1 mi · 3 min · North Memorial Street
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16
Continue on East State Highway 6
37.5 mi · 38 min · East State Highway 6
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17
Continue on North Main Street
2.2 mi · 3 min · North Main Street
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18
Continue on North State Highway 6
6.2 mi · 6 min · North State Highway 6
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19
Continue on North Market Street
2.1 mi · 2 min · North Market Street
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20
Continue on South State Highway 6
13.7 mi · 15 min · South State Highway 6
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21
Continue on North Earl Rudder Freeway
30.1 mi · 32 min · North Earl Rudder Freeway
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22
Continue on State Highway 6
22.4 mi · 25 min · State Highway 6
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23
Continue on US 290 East, TX 6 South
1.3 mi · 2 min
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24
Turn right onto Austin Street
1160 ft · 25 sec · Austin Street
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25
Turn left onto 13th Street
15.1 mi · 22 min · 13th Street
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26
Continue on East Main Street
574 ft · 19 sec · East Main Street
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27
Turn sharp left onto South Front Street
1.4 mi · 2 min · South Front Street
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28
Continue on State Highway 36
9.9 mi · 10 min · State Highway 36
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29
Continue on North Meyer Street
14.1 mi · 18 min · North Meyer Street
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30
Turn right onto Legion Street
1580 ft · 43 sec · Legion Street
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31
Turn right
23.4 mi · 35 min
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32
Turn left onto West Burleson Street
1712 ft · 38 sec · West Burleson Street
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33
At the end of the road, turn left onto South Resident Street
108 m · 8 sec · South Resident Street
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34
Turn right onto East Milam Street
1.5 km · 1 min · East Milam Street
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35
Continue on Bay City Highway
23.9 mi · 36 min · Bay City Highway
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36
Turn left onto 7th Street
66 m · 4 sec · 7th Street
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37
Arrive at your destination
0 m · 1 sec · 7th Street
Car Route Details
A richer read on the saved driving route between Grand Prairie and Bay City.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
South R L Thornton Freeway
Merge slight left onto South R L Thornton Freeway
80.5 mi · 01h 22m
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.
Sunny leaving Grand Prairie and Patchy Fog then Partly Sunny near Bay City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grand Prairie to Bay City?
The road trip is about 317.1 miles (510.3 km) and usually takes 06h 13m 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?
Hearne is a useful midpoint, sitting about 158.8 miles from Grand Prairie and 158.3 miles from Bay City.
How much longer is the road route than the straight-line distance?
The direct path is about 267.1 miles (429.8 km), while the road route adds roughly 50 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 CDT. 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 $42.29 one way or $84.57 round trip. Estimated CO2 is about 99.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Grand Prairie and Patchy Fog then Partly Sunny near Bay City.
Stop Ideas Near Hearne
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 Hearne.
Bryan, TX
Temple
Taylor
Waco, TX
Flight Path Map
This map shows the direct air route between Grand Prairie and Bay City. Straight-line distance: 267.07 mi (429.8 km).
#1 Grand Prairie
The ninth most populous city in Texas.
| Population | 195,272 |
| Coordinates | 32.7459600, -96.9977800 |
| Altitude | 157 |
| Country | United States |
#2 Bay City
City in Texas
| Population | 17,535 |
| Coordinates | 28.9827600, -95.9694000 |
| Altitude | 16 |
| Country | United States |
End: Bay City (-95.9694, 28.98276)
Estimated Travel Time
Distance: 510 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 33m |
| 40 mph (64.37 km/h) | 07h 55m |
| 50 mph (80.47 km/h) | 06h 20m |
| 60 mph (96.56 km/h) | 05h 17m |
| 70 mph (112.65 km/h) | 04h 31m |
| 80 mph (129 km/h) | 03h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $42.29 | $84.57 |
| Mid-grade | $4.25 | $47.58 | $95.16 |
| Premium | $4.59 | $51.37 | $102.75 |
| Diesel | $3.99 | $44.68 | $89.36 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.