What is the exact distance from San Antonio to Houston?

The driving distance from San Antonio to Houston is 318 kilometers (198 miles). The straight-line distance is 305 km.

How long does it take to drive from San Antonio to Houston?

The estimated driving time from San Antonio to Houston is 3.1 hours under normal traffic conditions. This can vary based on traffic, road conditions, and your driving speed.

What is the fastest route from San Antonio to Houston?

The fastest route is typically 318km and takes about 3.1 hours. This route is optimized for time and usually uses major highways and roads.

Are there alternative routes from San Antonio to Houston?

Yes, we provide up to 2 different route options including the fastest route, shortest distance route, and alternative paths that may offer different scenery or avoid certain road types.

Does the route from San Antonio to Houston include tolls?

Yes, some routes from San Antonio to Houston may include toll roads. Check the detailed route information below for specific toll road indicators.

Can I get turn-by-turn directions from San Antonio to Houston?

While we provide the route overview and key information, for detailed turn-by-turn directions, we recommend using the route data with your preferred GPS navigation app or mapping service.

San Antonio to Houston Distance

198 miles•318 km•3.1 hours

Driving distance and route information from San Antonio, United Statesto Houston, United States. Compare multiple routes and get detailed travel information.

⭐

FASTEST ROUTE

197.84 mi

(318.39 km)

⏱️3h 7m

Via Dolorosa Street, Tower of the Americas Way

Dolorosa Street → Tower of the Americas Way

🛣️ 70% Highway💰 Tolls

📏

SHORTEST ROUTE

237.95 mi

(382.94 km)

⏱️3h 46m

Via Dolorosa Street, South Flores Street

Dolorosa Street → South Flores Street

🛣️ 70% Highway💰 Tolls

📏 Straight-line distance: 190 miles (305 km)

See crow flies distance →

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Complete Driving Guide: San Antonio to Houston

Essential Route Information

TOTAL DISTANCE

198 mi

318 kilometers

DRIVING TIME

3.1 hours

186 minutes

FUEL ESTIMATE

27 L

$40 cost

📍 Route Overview

Starting PointSan Antonio, Texas

DestinationHouston, Texas

Route Options2 available routes

Countries Crossed1 country

Time Zone ChangesCheck local times

🚗 Driving Details

Average Speed103 km/h

Straight-line Distance305 km

Route Efficiency96%

Toll RoadsYes - Budget required

Ferry CrossingsNo ferries

Compare All Routes from San Antonio to Houston

Route Type	Distance	Drive Time	Avg Speed	Tolls
⭐ Fastest Route	198 mi (318 km)	3.1 hours	102 km/h	✅ Yes
Alternative 1	238 mi (383 km)	3.8 hours	102 km/h	✅ Yes

Complete Journey Overview: San Antonio to Houston

The road journey from San Antonio to Houston spans approximately 198 miles (318 kilometers), making it a medium-distance drive that typically requires 3.1 hours of continuous driving under normal traffic conditions.

This route connects Texas, United States with Texas, United States, traversing through various regions within United States. The journey offers 2 distinct routing options, each with unique advantages in terms of distance, time, or scenic value.

The most efficient route from San Antonio to Houston follows major highways and arterial roads, maintaining an average speed of approximately 103 km/h. This route has been optimized for speed, though it includes toll roads that require payment.

🗺️ Travel Planning Essentials

✓

Fuel Planning: Expect to use approximately 8 gallons (27 liters) of fuel for this 198 mile journey. Plan fuel stops every 250-300 miles.

✓

Rest Stops: For safety, plan a 15-minute break every 2 hours of driving. Total journey with breaks: 3.6 hours.

✓

Best Travel Times: Avoid peak traffic hours (7-9 AM and 5-7 PM) in major cities along your route for optimal travel time.

✓

Weather Check: Monitor weather conditions along the entire route, especially during winter months or rainy seasons.

💰 Cost Estimation Guide

Fuel Cost (approximate)$28

Toll Costs$10

Vehicle Wear (per mile)$49

Total Trip Cost$87

* Costs are estimates based on average fuel prices and vehicle maintenance. Actual costs may vary.

Alternative Transportation Options

🚗

By Car

3.1 hours

198 miles

✈️

By Plane

0.4 hours flight

305 km direct

🚌

By Bus

4 hours

Multiple stops

🚂

By Train

Check availability

Scenic route