How far is Houston, TX from Mount Vernon, TX?
The driving distance from Houston, TX to Mount Vernon, TX is about 262.2 miles (421.9 km), with a travel time of about 05h 17m by car.
- The straight-line flight distance is about 236.8 miles (381.1 km).
- For a round trip, plan for roughly 10h 35m 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 17m.
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 Houston County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Houston and Mount Vernon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Mount Vernon.
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1
Start on Louisiana Street
145 m · 20 sec · Louisiana Street
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2
Turn right onto Franklin Street
664 ft · 28 sec · Franklin Street
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3
Turn left onto Travis Street
1205 ft · 29 sec · Travis Street
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4
Take the ramp straight toward I 45 North Express Lane
1.6 km · 2 min
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5
Merge slight left onto North Freeway
63.2 mi · 1 hr 13 min · North Freeway
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6
Take the exit slight right toward TX 19: Riverside, Crockett, Grapeland
844 ft · 21 sec
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7
Continue straight
871 ft · 21 sec
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8
Keep slight right
2810 ft · 51 sec
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9
Continue on State Highway 19
22.4 mi · 26 min · State Highway 19
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10
Continue on Prospect Drive
27.5 mi · 32 min · Prospect Drive
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11
Turn right onto East Goliad Avenue
47 m · 3 sec · East Goliad Avenue
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12
Turn left onto 5th Street
50 m · 6 sec · 5th Street
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13
Turn left onto East Houston Avenue
92 m · 10 sec · East Houston Avenue
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14
Turn right onto North 4th Street
32.6 mi · 38 min · North 4th Street
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15
Turn right onto Loop 256
3.4 mi · 5 min · Loop 256
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16
Take the exit slight right
1119 ft · 31 sec
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17
Keep slight right
110 m · 10 sec
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18
Merge slight left onto State Highway 155
20.1 mi · 23 min · State Highway 155
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19
Continue on South Elm Street
2213 ft · 31 sec · South Elm Street
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20
Continue on North Frankston Highway
1.5 mi · 2 min · North Frankston Highway
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21
Continue on State Highway 155
14.1 mi · 16 min · State Highway 155
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22
Take the exit left toward Loop 49 Toll West
2880 ft · 1 min
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23
Merge slight left onto Toll 49
21.9 mi · 24 min · Toll 49
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24
At the end of the road, turn left onto Mineola Highway
10 mi · 13 min · Mineola Highway
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25
Keep slight right to continue on North Pacific Street
8.8 mi · 10 min · North Pacific Street
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26
Turn right onto East Goode Street
1850 ft · 34 sec · East Goode Street
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27
Turn left onto North Winnsboro Street
1 mi · 2 min · North Winnsboro Street
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28
Continue on State Highway 37
13.2 mi · 20 min · State Highway 37
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29
Continue on South Main Street
17.7 mi · 27 min · South Main Street
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30
Turn right onto West Main Street
3241 ft · 1 min · West Main Street
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31
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Houston and Mount Vernon.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
North Freeway
Merge slight left onto North Freeway
63.2 mi · 01h 13m
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 Houston and Mostly Cloudy near Mount Vernon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Houston to Mount Vernon?
The road trip is about 262.2 miles (421.9 km) and usually takes 05h 17m 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?
Grapeland is a useful midpoint, sitting about 131.4 miles from Houston and 130.8 miles from Mount Vernon.
How much longer is the road route than the straight-line distance?
The direct path is about 236.8 miles (381.1 km), while the road route adds roughly 25.4 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 6:24 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.96 one way or $69.91 round trip. Estimated CO2 is about 82.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Houston and Mostly Cloudy near Mount Vernon.
Stop Ideas Near Grapeland
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 Grapeland.
Nacogdoches, Texas
Tyler, TX
Flight Path Map
This map shows the direct air route between Houston and Mount Vernon. Straight-line distance: 236.82 mi (381.13 km).
#1 Houston
The fourth most populous city in the United States and the center of the Houston metropolitan area.
| Population | 2,316,120 |
| Coordinates | 29.7632800, -95.3632700 |
| Altitude | 12 |
| Country | United States |
#2 Mount Vernon
Town in Texas, United States
| Population | 2,769 |
| Coordinates | 33.1887300, -95.2213300 |
| Altitude | 150 |
| Country | United States |
End: Mount Vernon (-95.22133, 33.18873)
Estimated Travel Time
Distance: 422 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 44m |
| 40 mph (64.37 km/h) | 06h 33m |
| 50 mph (80.47 km/h) | 05h 14m |
| 60 mph (96.56 km/h) | 04h 22m |
| 70 mph (112.65 km/h) | 03h 44m |
| 80 mph (129 km/h) | 03h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $34.96 | $69.91 |
| Mid-grade | $4.25 | $39.33 | $78.66 |
| Premium | $4.59 | $42.47 | $84.93 |
| Diesel | $3.99 | $36.94 | $73.87 |
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.