How far is Dallas, TX from Nassau Bay, TX?

The driving distance from Dallas, TX to Nassau Bay, TX is about 265.1 miles (426.7 km), with a travel time of about 04h 46m by car.

  • The straight-line flight distance is about 245.6 miles (395.3 km).
  • For a round trip, plan for roughly 09h 33m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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
265.16 mi
04h 46m
Flight
245.65 mi
395.34 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
245.65 mi
Kilometers
395.34 km
Flight Time
00h 29m

Driving Distance

Road route
265.16 mi
Kilometers
426.73 km
Drive Time
04h 46m

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 04h 46m.

Arrival Snapshot
Arrive in Nassau Bay
Tue, Apr 21, 9:55 AM CDT
Return by in Dallas
Tue, Apr 21, 2:41 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dallas
2026-04-21T05:08
Arrive Nassau Bay
Tue, Apr 21, 9:55 AM CDT
Route Timing
04h 46m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:47 AM to 12:47 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:26 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Dallas
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Leona
TX

City in Leon County, Texas, United States

From Dallas
132.8 mi
02h 23m
To Nassau Bay
132.4 mi
02h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Tuesday

Showers And Thunderstorms Likely

Starts
Tue, Apr 21 6:00 AM CDT
Wind
0 to 10 mph SE
Destination
73°F
Tuesday

Showers And Thunderstorms Likely

Starts
Tue, Apr 21 6:00 AM CDT
Wind
10 to 15 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Dallas and Nassau Bay.

  1. 1

    Start on North Lamar Street

    132 m · 14 sec · North Lamar Street

  2. 2

    Turn right onto McKinney Avenue

    1118 ft · 25 sec · McKinney Avenue

  3. 3

    Take the ramp slight left toward US 75 North

    1229 ft · 30 sec

  4. 4

    Merge slight left onto Woodall Rodgers Freeway

    2170 ft · 37 sec · Woodall Rodgers Freeway

  5. 5

    Keep slight right to continue on I 45 South: Houston

    2537 ft · 49 sec

  6. 6

    Merge slight left onto Julius Schepps Freeway

    3.1 mi · 4 min · Julius Schepps Freeway

  7. 7

    Keep slight left to continue on Julius Schepps Freeway

    234.2 mi · 4 hr 6 min · Julius Schepps Freeway

  8. 8

    Continue on Gulf Freeway

    22.4 mi · 26 min · Gulf Freeway

  9. 9

    Take the exit slight right toward FM 528: NASA Parkway

    1281 ft · 27 sec

  10. 10

    Turn straight onto Gulf Freeway Frontage Road

    1.2 km · 1 min · Gulf Freeway Frontage Road

  11. 11

    Turn left onto NASA Parkway

    1 mi · 2 min · NASA Parkway

  12. 12

    Continue on East NASA Parkway

    3245 ft · 1 min · East NASA Parkway

  13. 13

    Take the ramp slight left toward NASA 1 East

    1017 ft · 25 sec

  14. 14

    Merge slight left onto NASA Bypass

    2150 ft · 31 sec · NASA Bypass

  15. 15

    Continue on East NASA Parkway

    2104 ft · 42 sec · East NASA Parkway

  16. 16

    Turn right onto Point Lookout Drive

    1145 ft · 58 sec · Point Lookout Drive

  17. 17

    Turn left onto Saxony Lane

    141 m · 20 sec · Saxony Lane

  18. 18

    Enter the roundabout and take exit 1 toward Vinland Lane

    16 m · 5 sec · Vinland Lane

  19. 19

    Exit the roundabout onto Vinland Lane

    952 ft · 46 sec · Vinland Lane

  20. 20

    Turn right onto San Sebastian Lane

    77 m · 13 sec · San Sebastian Lane

  21. 21

    Turn right

    4 m · 1 sec

  22. 22

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
22 steps
9 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
8.3 / 100 mi
Decision points by distance
Main Roads
Julius Schepps Freeway
237 mi · 89%
Gulf Freeway
22.4 mi · 8%
NASA Parkway
1.02 mi
East NASA Parkway
1.01 mi
Gulf Freeway Frontage Road
0.72 mi
I 45 South
0.48 mi
Longest Stretch

Julius Schepps Freeway

Keep slight left to continue on Julius Schepps Freeway

234 mi · 04h 06m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 46m
Long day trip
Same-Day Return
09h 34m
Round-trip wheel time
Road vs Air
+19.5 mi
245.6 mi direct line
Halfway Stop
Leona
02h 23m from Dallas
Leave By
7:26 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms Likely leaving Dallas and Showers And Thunderstorms Likely near Nassau Bay.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dallas to Nassau Bay?

The road trip is about 265.1 miles (426.7 km) and usually takes 04h 46m 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?

Leona is a useful midpoint, sitting about 132.8 miles from Dallas and 132.4 miles from Nassau Bay.

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

The direct path is about 245.6 miles (395.3 km), while the road route adds roughly 19.5 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 7:26 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $35.37 one way or $70.74 round trip. Estimated CO2 is about 83.2 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Dallas and Showers And Thunderstorms Likely near Nassau Bay.

Stop Ideas Near Leona

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

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

BUS

Bryan, TX

66 mi away
301 East 26th Street
BUS

Waco, TX

119 mi away
301 South 8th Street

Flight Path Map

This map shows the direct air route between Dallas and Nassau Bay. Straight-line distance: 245.65 mi (395.34 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
Nassau Bay

#2 Nassau Bay

City in Texas, United States

Population3,907
Coordinates29.5446800, -95.0910400
Altitude5
CountryUnited States
Start: Dallas (-96.80667, 32.78306)
End: Nassau Bay (-95.09104, 29.54468)

Estimated Travel Time

Distance: 427 km by road

SpeedTime
30 mph (48.3 km/h)08h 50m
40 mph (64.37 km/h)06h 37m
50 mph (80.47 km/h)05h 18m
60 mph (96.56 km/h)04h 25m
70 mph (112.65 km/h)03h 47m
80 mph (129 km/h)03h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.36 gal
35.42 L · about $35.37
Round trip
$70.74
18.72 gal · 70.84 L
Estimated CO2
83.2 kg one way
Round trip: 166.4 kg / 367 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $35.37 $70.74
Mid-grade $4.25 $39.80 $79.60
Premium $4.59 $42.97 $85.94
Diesel $3.99 $37.37 $74.75

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 21, 2026

There is no time difference between Dallas and Nassau Bay. The current time is 05:08:16.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.