How far is Dallas, TX from Mont Belvieu, TX?
The driving distance from Dallas, TX to Mont Belvieu, TX is about 265.3 miles (427 km), with a travel time of about 04h 40m by car.
- The straight-line flight distance is about 232.2 miles (373.7 km).
- For a round trip, plan for roughly 09h 21m 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 04h 40m.
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.
City in Leon County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Dallas and Mont Belvieu.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dallas and Mont Belvieu.
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1
Start on North Lamar Street
132 m · 14 sec · North Lamar Street
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2
Turn right onto McKinney Avenue
1118 ft · 25 sec · McKinney Avenue
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3
Take the ramp slight left toward US 75 North
1229 ft · 30 sec
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4
Merge slight left onto Woodall Rodgers Freeway
2170 ft · 37 sec · Woodall Rodgers Freeway
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5
Keep slight right to continue on I 45 South: Houston
2537 ft · 49 sec
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6
Merge slight left onto Julius Schepps Freeway
3.1 mi · 4 min · Julius Schepps Freeway
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7
Keep slight left to continue on Julius Schepps Freeway
209.3 mi · 3 hr 36 min · Julius Schepps Freeway
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8
Take the exit slight right toward Grand Parkway
1067 ft · 26 sec
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9
Turn straight onto Interstate 45 North Frontage Road
2.1 mi · 4 min · Interstate 45 North Frontage Road
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10
Turn left onto North Grand Parkway West
116 m · 9 sec · North Grand Parkway West
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11
Take the ramp straight toward TX 99 Toll East
1536 ft · 38 sec
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12
Merge slight left onto North Grand Parkway East
46.8 mi · 50 min · North Grand Parkway East
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13
Take the exit slight right toward TX 146: Mont Belvieu, Dayton
2114 ft · 59 sec
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14
Turn right
1.5 mi · 2 min
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15
Turn left onto Farm-to-Market Road 565
1481 ft · 32 sec · Farm-to-Market Road 565
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16
Arrive at your destination
0 m · 1 sec · Farm-to-Market Road 565
Car Route Details
A richer read on the saved driving route between Dallas and Mont Belvieu.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Julius Schepps Freeway
Keep slight left to continue on Julius Schepps Freeway
209 mi · 03h 36m
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 leaving Dallas and Showers And Thunderstorms near Mont Belvieu.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dallas to Mont Belvieu?
The road trip is about 265.3 miles (427 km) and usually takes 04h 40m 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 132.5 miles from Mont Belvieu.
How much longer is the road route than the straight-line distance?
The direct path is about 232.2 miles (373.7 km), while the road route adds roughly 33.1 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 7:38 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 Chance Showers And Thunderstorms around Dallas and Showers And Thunderstorms near Mont Belvieu.
Stop Ideas Near Leona
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 Leona.
Bryan, TX
Waco, TX
Flight Path Map
This map shows the direct air route between Dallas and Mont Belvieu. Straight-line distance: 232.2 mi (373.69 km).
#1 Dallas
The ninth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.
| Population | 1,343,266 |
| Coordinates | 32.7830600, -96.8066700 |
| Altitude | 128 |
| Country | United States |
#2 Mont Belvieu
City in Texas
| Population | 7,137 |
| Coordinates | 29.8477200, -94.8907600 |
| Altitude | 21 |
| Country | United States |
End: Mont Belvieu (-94.89076, 29.84772)
Estimated Travel Time
Distance: 427 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 50m |
| 40 mph (64.37 km/h) | 06h 38m |
| 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.
| Fuel | $/gal | One way | Round 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 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.