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Trip from Fort Davis, TX to San Antonio, TX

Drive Time

6h 39m

Distance

401 mi

645 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$61

one way

EV Charging

None

0 DC fast

Best Time to Leave

Save up to 36 min
4 AM
6h 27m ★
6 AM
6h 39m
8 AM
7h 3m
10 AM
6h 48m
12 PM
6h 45m
3 PM
6h 49m
5 PM
7h 2m
8 PM
6h 32m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly
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Downtown San Antonio, TX, TX

San Antonio, TX

Wikimedia Commons

Trip Overview

The drive from Fort Davis, TX to San Antonio, TX covers 401 miles and takes about 6h 39m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on TX 17, I 10, McDermott Freeway for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 324.6 miles on TX 17. At current regular gas prices, budget about $61.26 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is possible, but it will make for a full day on the road.

Break Rhythm

1 planned break

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

200.5 miles from Fort Davis, TX

A natural place for your longest stop of the day , about 3h 21m into the drive .

Drive Character

This is a 6h 39m highway drive covering 401 miles, with most of the trip on TX 17 and I 10. The longest continuous stretch is about 324.6 miles on TX 17.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 12 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
TX 17 is the longest continuous segment at about 324.6 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on TX 17 and I 10. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes around 32.2 miles in near TX 17.

Route Complexity 6/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

This drive requires moderate attention. Across 401 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 32.2 miles (TX 17): Navigation decision point; at 380.2 miles (I 10; US 87): Highway fork - watch signs carefully. Lane positioning matters here; at 399.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 8 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

4
32.2 mi into trip | ~39m in | TX 17

At end of road, turn right onto TX 17

Navigation decision point

6
380.2 mi into trip | ~6h 14m in | I 10; US 87

Keep slight right at fork onto I 10; US 87

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes.
8
399.3 mi into trip | ~6h 35m in

Take the exit toward Santa Rosa Street, Downtown

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 569C Toward Santa Rosa Street, Downtown
6
399.9 mi into trip | ~6h 37m in | North Pecos-La Trinidad

Keep slight right at fork onto North Pecos-La Trinidad

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight lane.
6
400.5 mi into trip | ~6h 38m in | Dolorosa Street

Turn left onto Dolorosa Street

Lane positioning matters here

Use the straight / left lanes.

Main Roads

Road Distance Duration
TX 17 324.6 mi 5h 17m
I 10 71.7 mi 1h 14m
McDermott Freeway 1.7 mi 2m
State Street 1.3 mi 1m
North Pecos-La Trinidad 0.7 mi 1m
Dolorosa Street 0.5 mi <1m
Longest stretch: TX 17 — 324.6 mi, about 5h 17m

Turn-by-Turn Driving Directions

Step-by-step road directions between Fort Davis, TX and San Antonio, TX.

1

Start on TX 17; TX 118

1.3 mi · 1 min · State Street
2

Turn right onto TX 17

31 mi · 37 min · TX 17
3

At end of road, turn right onto TX 17

7.4 mi · 11 min · TX 17
4

Take the ramp onto TX 17

286 mi · 4 hr 28 min · TX 17
Toward I 10 East: Fort Stockton
5

Continue on I 10

54 mi · 54 min · I 10
Use the straight / slight right lanes.
6

Keep slight right at fork onto I 10; US 87

17 mi · 19 min · I 10; US 87
Use the straight / slight right lanes.
7

Keep slight right at fork onto I 10; US 87

1.7 mi · 2 min · McDermott Freeway
8

Take the exit

0.5 mi · 1 min
Exit 569C Toward Santa Rosa Street, Downtown Use the slight right lane.
9

Turn straight onto North Pecos-La Trinidad

0.2 mi · 16 sec · North Pecos-La Trinidad
10

Keep slight right at fork onto North Pecos-La Trinidad

0.6 mi · 1 min · North Pecos-La Trinidad
Use the straight lane.
11

Turn left onto Dolorosa Street

0.5 mi · 55 sec · Dolorosa Street
Use the straight / left lanes.
12

Arrive at destination

Dolorosa Street

Trip Plan

Morning Departure

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Evening Departure

This is a long drive — plan for a morning departure or consider splitting it into two days.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 200.5 miles from Fort Davis, TX, or about 3h 21m into the drive.
The longest continuous stretch on this route runs about 324.6 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 88 miles or 1h 35m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 200.5 miles or 3h 21m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 5h 34m

Traffic, exits, and arrival timing usually matter more near San Antonio, TX than in the middle of the route.

Before You Leave

+

Open the route before leaving Fort Davis, TX so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Fort Davis, TX

This is one driving day of about 401 miles and 6h 39m.

Your first comfortable stop window is around 88 miles from Fort Davis, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on TX 17 for about 324.6 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 200.5 mi from Fort Davis, TX · 3h 21m into the drive

Downtown Junction, TX, TX

Mid-route town

Meal stop

Junction, TX

201 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Popular next leg

Junction, TX to San Antonio, TX

114.3 mi · 1h 47m

Pacing Suggestions

McCamey, TX

Fuel and coffee

A short stop after about 88 miles helps settle the day before fatigue starts building.

Live Oak, TX

Meal break

The midpoint is around 200.5 miles from Fort Davis, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before TX 17 if your tank is already low. That segment runs about 324.6 miles.

Arriving in San Antonio, TX

The final approach into San Antonio, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around San Antonio, TX.

After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

National Parks Near This Route

Worth a detour if your schedule allows.

San Antonio Missions National Historical Park

San Antonio Missions National Historical Park

National Historical Park

Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas. Each mission in the park is a center of community and has been since the early 1700s. Th...

9 mi from route ~22 min detour Free near mile 401
View on nps.gov
Lyndon B Johnson National Historical Park

Lyndon B Johnson National Historical Park

National Historical Park

Lyndon B. Johnson National Historical Park tells the story of our 36th president beginning with his ancestors until his final resting place on his beloved LBJ Ranch. This entire "circle of life" gives...

27 mi from route ~67 min detour Free near mile 359.5
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

Fuel & Cost

Regular Gas

$61.26 one way

$122.51 round trip

$3.88/gal 25.4 MPG avg 140 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.25 $67.13 $134.26
premium $4.59 $72.48 $144.96
diesel $5.64 $89.09 $178.18

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$61

Meals

$25–$50

Total

$86–$111

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 140.3 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $42 in charging · 1 stop · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 120.3 1 $42.11 $19.25
Efficient EV 100.3 1 $35.09 $16.04
EV Truck/SUV 160.4 2 $56.14 $25.66

Gas CO2

140 kg

EV CO2

47 kg (66% less)

Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast data refreshed 3 days ago

Origin

Fort Davis, TX

Morning in Fort Davis on Monday

Local time

10:29 AM

CDT

Current temp

79°F

Unavailable

Live forecast

Destination

San Antonio, TX

Morning in San Antonio on Monday

Local time

10:29 AM

CDT

Current temp

81°F

Unavailable

Live forecast

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

2 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

6h 39m on the road

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Fort Davis, TX to San Antonio, TX covers 401 miles and takes about 6h 39m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are TX 17, I 10, McDermott Freeway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 200.5 miles from Fort Davis, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $61.26 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This drive requires moderate attention. Across 401 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 32.2 miles (TX 17): Navigation decision point; at 380.2 miles (I 10; US 87): Highway fork - watch signs carefully. Lane positioning matters here; at 399.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
The route from Fort Davis, TX to San Antonio, TX does not surface many named destination signs beyond the main corridor.

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