How far is Austin, TX from Mount Vernon, TX?
The driving distance from Austin, TX to Mount Vernon, TX is about 297.7 miles (479.1 km), with a travel time of about 05h 15m by car.
- The straight-line flight distance is about 250.4 miles (403 km).
- For a round trip, plan for roughly 10h 30m 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 15m.
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.
Town in Ellis County, Texas, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Austin and Mount Vernon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Austin and Mount Vernon.
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1
Start on East 5th Street
1836 ft · 52 sec · East 5th Street
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2
Turn left onto Red River Street
711 ft · 20 sec · Red River Street
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3
Turn right onto East 7th Street
757 ft · 17 sec · East 7th Street
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4
Turn left onto North Interstate 35
928 ft · 27 sec · North Interstate 35
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5
Take the ramp slight left toward I 35 North, US 290 East
906 ft · 22 sec
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6
Merge slight left onto Purple Heart Trail
2985 ft · 42 sec · Purple Heart Trail
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7
Keep slight right to continue on Purple Heart Trail
95.6 mi · 1 hr 40 min · Purple Heart Trail
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8
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
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9
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
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10
Keep slight right to continue on I 35E: Dallas
56.2 mi · 58 min
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11
Take the exit slight right toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street
2094 ft · 42 sec
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12
Keep slight left to continue on I 35E North, I 30 West: Denton, Fort Worth, Texarkana
129 m · 6 sec
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13
Keep slight right to continue on I 30 East: Texarkana, Convention Center
2206 ft · 33 sec
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14
Keep slight left to continue on I 30 East: Texarkana
117 m · 6 sec
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15
Continue on East R L Thornton Freeway
7.5 mi · 9 min · East R L Thornton Freeway
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16
Keep slight left to continue on East R L Thornton Freeway
93.3 mi · 1 hr 36 min · East R L Thornton Freeway
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17
Take the exit slight right toward SH 37: Clarksville, Winnsboro
1087 ft · 26 sec
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18
Turn straight onto West Interstate 30
1353 ft · 45 sec · West Interstate 30
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19
Turn left onto State Highway 37 South
2 mi · 3 min · State Highway 37 South
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20
Turn right onto West Main Street
3241 ft · 1 min · West Main Street
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21
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Austin and Mount Vernon.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Purple Heart Trail
Keep slight right to continue on Purple Heart Trail
95.6 mi · 01h 40m
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 Cloudy then Chance Showers And Thunderstorms leaving Austin and Chance Showers And Thunderstorms near Mount Vernon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Austin to Mount Vernon?
The road trip is about 297.7 miles (479.1 km) and usually takes 05h 15m 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?
Milford is a useful midpoint, sitting about 149 miles from Austin and 148.8 miles from Mount Vernon.
How much longer is the road route than the straight-line distance?
The direct path is about 250.4 miles (403 km), while the road route adds roughly 47.3 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 6:30 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.72 one way or $79.43 round trip. Estimated CO2 is about 93.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around Austin and Chance Showers And Thunderstorms near Mount Vernon.
Stop Ideas Near Milford
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 Milford.
Cleburne
Waco, TX
Union Station
Dallas, TX
Flight Path Map
This map shows the direct air route between Austin and Mount Vernon. Straight-line distance: 250.4 mi (402.98 km).
#1 Austin
The eleventh most populous city in the United States and the center of the Austin metropolitan area.
| Population | 995,484 |
| Coordinates | 30.2671500, -97.7430600 |
| Altitude | 149 |
| 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: 479 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 55m |
| 40 mph (64.37 km/h) | 07h 26m |
| 50 mph (80.47 km/h) | 05h 57m |
| 60 mph (96.56 km/h) | 04h 57m |
| 70 mph (112.65 km/h) | 04h 15m |
| 80 mph (129 km/h) | 03h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $39.72 | $79.43 |
| Mid-grade | $4.25 | $44.69 | $89.38 |
| Premium | $4.59 | $48.25 | $96.50 |
| Diesel | $3.99 | $41.97 | $83.93 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.