How far is Irving, TX from Mont Belvieu, TX?

The driving distance from Irving, TX to Mont Belvieu, TX is about 275.9 miles (444 km), with a travel time of about 04h 55m by car.

  • The straight-line flight distance is about 238.2 miles (383.4 km).
  • For a round trip, plan for roughly 09h 51m 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
275.88 mi
04h 55m
Flight
238.23 mi
383.39 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Irving.

Flight Distance

Direct air line
238.23 mi
Kilometers
383.39 km
Flight Time
00h 28m

Driving Distance

Road route
275.88 mi
Kilometers
443.98 km
Drive Time
04h 55m

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 55m.

Arrival Snapshot
Arrive in Mont Belvieu
Thu, Apr 23, 11:59 AM CDT
Return by in Irving
Thu, Apr 23, 4:55 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Irving
2026-04-23T07:03
Arrive Mont Belvieu
Thu, Apr 23, 11:59 AM CDT
Route Timing
04h 55m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:56 AM to 12:56 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
7:08 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Irving
9:00 PM CDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

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 Irving
138.1 mi
02h 27m
To Mont Belvieu
137.8 mi
02h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 15 mph S
Destination
80°F
Thursday

Slight Chance Showers And Thunderstorms

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph SE

Driving Route Map

The map below follows the saved road route between Irving and Mont Belvieu.

Turn-by-Turn Driving Directions

Step-by-step road directions between Irving and Mont Belvieu.

  1. 1

    Start on North Ohio Street

    133 m · 25 sec · North Ohio Street

  2. 2

    Turn left onto West 2nd Street

    1.1 km · 1 min · West 2nd Street

  3. 3

    Turn straight onto East Irving Boulevard

    1.5 km · 2 min · East Irving Boulevard

  4. 4

    Turn slight right

    120 m · 17 sec

  5. 5

    Turn slight right onto South Loop 12

    57 m · 4 sec · South Loop 12

  6. 6

    Take the ramp slight left toward Loop 12 South

    125 m · 10 sec

  7. 7

    Merge slight left onto South Walton Walker Boulevard

    2.8 mi · 3 min · South Walton Walker Boulevard

  8. 8

    Take the exit right toward I 30: Dallas, Fort Worth

    2482 ft · 1 min

  9. 9

    Keep slight right to continue on I 30 East: Dallas

    1813 ft · 44 sec

  10. 10

    Merge slight left onto Tom Landry Freeway

    6.3 mi · 7 min · Tom Landry Freeway

  11. 11

    Continue on East R L Thornton Freeway

    1.2 km · 1 min · East R L Thornton Freeway

  12. 12

    Take the exit slight right toward I 45, US 75: Houston, McKinney

    2421 ft · 46 sec

  13. 13

    Keep slight right to continue on I 45 South: Houston

    2006 ft · 55 sec

  14. 14

    Merge slight left onto Julius Schepps Freeway

    1.6 mi · 2 min · Julius Schepps Freeway

  15. 15

    Keep slight left to continue on Julius Schepps Freeway

    209.3 mi · 3 hr 36 min · Julius Schepps Freeway

  16. 16

    Take the exit slight right toward Grand Parkway

    1067 ft · 26 sec

  17. 17

    Turn straight onto Interstate 45 North Frontage Road

    2.1 mi · 4 min · Interstate 45 North Frontage Road

  18. 18

    Turn left onto North Grand Parkway West

    116 m · 9 sec · North Grand Parkway West

  19. 19

    Take the ramp straight toward TX 99 Toll East

    1536 ft · 38 sec

  20. 20

    Merge slight left onto North Grand Parkway East

    46.8 mi · 50 min · North Grand Parkway East

  21. 21

    Take the exit slight right toward TX 146: Mont Belvieu, Dayton

    2114 ft · 59 sec

  22. 22

    Turn right

    1.5 mi · 2 min

  23. 23

    Turn left onto Farm-to-Market Road 565

    1481 ft · 32 sec · Farm-to-Market Road 565

  24. 24

    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 Irving and Mont Belvieu.

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
24 steps
8 turns on the saved route
Ramps & Exits
10
4 merges, 6 ramps or exits
Navigation Density
8.7 / 100 mi
Decision points by distance
Main Roads
Julius Schepps Freeway
211 mi · 76%
North Grand Parkway East
46.8 mi · 17%
Tom Landry Freeway
6.26 mi · 2%
South Walton Walker Boulevard
2.84 mi · 1%
Interstate 45 North Frontage Road
2.06 mi · 1%
East Irving Boulevard
0.94 mi
Longest Stretch

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.

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 55m
Long day trip
Same-Day Return
09h 52m
Round-trip wheel time
Road vs Air
+37.7 mi
238.2 mi direct line
Halfway Stop
Leona
02h 27m from Irving
Leave By
7:08 AM CDT
Early departure recommended
Weather Watch

Mostly Cloudy leaving Irving and Slight Chance 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 Irving to Mont Belvieu?

The road trip is about 275.9 miles (444 km) and usually takes 04h 55m 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 138.1 miles from Irving and 137.8 miles from Mont Belvieu.

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

The direct path is about 238.2 miles (383.4 km), while the road route adds roughly 37.7 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 7:08 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $36.77 one way or $73.54 round trip. Estimated CO2 is about 86.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Irving and Slight Chance Showers And Thunderstorms near Mont Belvieu.

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 Irving and Mont Belvieu. Straight-line distance: 238.23 mi (383.39 km).

Irving

#1 Irving

The third most populous city in Texas.

Population240,916
Coordinates32.8140200, -96.9488900
Altitude147
CountryUnited States
Mont Belvieu

#2 Mont Belvieu

City in Texas

Population7,137
Coordinates29.8477200, -94.8907600
Altitude21
CountryUnited States
Start: Irving (-96.94889, 32.81402)
End: Mont Belvieu (-94.89076, 29.84772)

Estimated Travel Time

Distance: 444 km by road

SpeedTime
30 mph (48.3 km/h)09h 11m
40 mph (64.37 km/h)06h 53m
50 mph (80.47 km/h)05h 31m
60 mph (96.56 km/h)04h 35m
70 mph (112.65 km/h)03h 56m
80 mph (129 km/h)03h 26m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.73 gal
36.85 L · about $36.77
Round trip
$73.54
19.46 gal · 73.7 L
Estimated CO2
86.5 kg one way
Round trip: 172.9 kg / 381 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $36.77 $73.54
Mid-grade $4.25 $41.37 $82.74
Premium $4.59 $44.67 $89.34
Diesel $3.99 $38.85 $77.70

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

There is no time difference between Irving and Mont Belvieu. The current time is 07:03:50.

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.