Trip from Troy, TX to San Antonio, TX

Drive Time

2h 37m

Distance

172.3 mi

Route Type

Turn-heavy local drive

Same-day trip

Trip Overview

The drive from Troy, TX to San Antonio, TX covers 172.3 miles and takes about 2h 37m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on West Main Street, South Central Avenue, I 35 South for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $25.63 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

1 planned break

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

86.2 miles from Troy, TX

A natural place for your longest stop of the day.

Drive Character

Expect a 2h 37m drive with frequent turns across 172.3 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.
There are about 23 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
West Main Street is one of the defining roads on this drive.

Main Roads

Road Distance Duration
West Main Street 0 mi 0m
South Central Avenue 0 mi 0m
I 35 South 0 mi 0m
Purple Heart Trail 0 mi 0m
Highway 35 0 mi 0m
North Pan Am Expressway 0 mi 0m
Lexington Avenue 0 mi 0m
East Elmira Street 0 mi 0m
Longest stretch: West Main Street — 0 mi, about 0m

Step-by-Step Directions

1

Start on South Central Avenue

2

Turn left onto West Main Street

3

Turn left onto South Central Avenue

4

Take the ramp straight toward I 35 South

5

Merge slight left onto Purple Heart Trail

6

Keep slight left

7

Keep slight left to continue on Purple Heart Trail

8

Continue on Interstate Highway 35

9

Continue on Purple Heart Trail

10

Continue on North Pan Am Expressway

11

Keep slight left to continue on North Pan Am Expressway

12

Keep slight left to continue on North Pan Am Expressway

13

Take the exit slight right toward Lexington Avenue, Main Avenue, San Pedro Avenue

14

Turn straight onto East Elmira Street

15

Turn left onto North Main Avenue

16

Enter the roundabout and take exit 2 toward Navarro Street

17

Exit the roundabout onto Navarro Street

18

Keep slight right to continue on North Main Avenue

19

Turn right onto West Travis Street

20

Turn left onto North Flores Street

21

Continue on Military Plaza

22

Turn left onto Dolorosa Street

23

Arrive at your destination

When to Leave

Morning Departure

Leave by 9 AM and you'll arrive before lunch.

Evening Departure

Even a 4 PM departure gets you there before dark in summer.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 86.2 miles from Troy, TX.

This is a comfortable same-day trip.

Drive Plan

Departure

Before you leave

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

First stop

Around 80 miles

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

Halfway reset

Around 86.2 miles

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

Final approach

Last hour of driving

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 Troy, 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.

Trip Strategy

Day 1

Settle into the route from Troy, TX

This is one driving day of about 172.3 miles and 2h 37m.

Your first comfortable stop window is around 80 miles from Troy, 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.

Best Stop Towns on This Route

These towns line up with the pace of this drive and give you clearer places to stop with a purpose.

Late stop town

Meal stop

Austin, TX

86 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

Austin, TX to San Antonio, TX

79.9 mi · 1h 20m

Travel Advice

Arrival Notes

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.

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.

Stops Along the Way

Halfway Point

Midpoint

About 86.2 mi from Troy, TX

Austin, TX

Fuel and coffee

A short stop after about 80 miles helps settle the day before fatigue starts building.

Austin, TX

Meal break

The midpoint is around 86.2 miles from Troy, TX, which is a good place for a longer meal and fuel stop.

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

Fuel & Cost

Fuel Type $/gal One Way Round Trip
regular $3.78 $25.63 $51.27
midgrade $4.25 $28.84 $57.69
premium $4.59 $31.14 $62.29
diesel $3.99 $27.09 $54.17

Based on 25.4 MPG average. Estimated CO2 emission: 60.3 kg one way.

Frequently Asked Questions

The drive from Troy, TX to San Antonio, TX covers 172.3 miles and takes about 2h 37m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are West Main Street, South Central Avenue, I 35 South. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 86.2 miles from Troy, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $25.63 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.

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