Dallas to San Antonio Distance
294 miles•473 km•4.5 hours
Driving distance and route information from Dallas, United Statesto San Antonio, United States. Compare multiple routes and get detailed travel information.
⭐
FASTEST ROUTE
294.21 mi
(473.48 km)
⏱️4h 27m
Via I-35 → TX-130 → TX-45 → I-10
I-35 → TX-130
💰 Tolls
📏
SHORTEST ROUTE
285.22 mi
(459.01 km)
⏱️4h 30m
Via I-35 → TX-130 → TX-45 → I-37
I-35 → TX-130
💰 Tolls
📏 Straight-line distance: 252 miles (406 km)
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Complete Driving Guide: Dallas to San Antonio
Essential Route Information
TOTAL DISTANCE
294 mi
473 kilometers
DRIVING TIME
4.5 hours
270 minutes
FUEL ESTIMATE
39 L
$59 cost
📍 Route Overview
Starting PointDallas, Texas
DestinationSan Antonio, Texas
Route Options2 available routes
Countries Crossed1 country
Time Zone ChangesCheck local times
🚗 Driving Details
Average Speed105 km/h
Straight-line Distance406 km
Route Efficiency86%
Toll RoadsYes - Budget required
Ferry CrossingsNo ferries
Compare All Routes from Dallas to San Antonio
| Route Type | Distance | Drive Time | Avg Speed | Tolls |
|---|---|---|---|---|
| ⭐ Fastest Route | 294 mi (473 km) | 4.5 hours | 106 km/h | ✅ Yes |
| Alternative 1 | 285 mi (459 km) | 4.5 hours | 102 km/h | ✅ Yes |
Complete Journey Overview: Dallas to San Antonio
The road journey from Dallas to San Antonio spans approximately 294 miles (473 kilometers), making it a medium-distance drive that typically requires 4.5 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 fastest driving route from Dallas to San Antonio follows the I-35 → TX-130 → TX-45 → I-10 corridor, maintaining an average speed of approximately 105 km/h. This corridor uses toll roads — budget for tolls along the way.
🗺️ Travel Planning Essentials
✓
Fuel Planning: Expect to use approximately 12 gallons (39 liters) of fuel for this 294 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: 5.2 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.
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Weather Check: Monitor weather conditions along the entire route, especially during winter months or rainy seasons.
💰 Cost Estimation Guide
Fuel Cost (approximate)$41
Toll Costs$15
Vehicle Wear & Tear (total, ~$0.25/mi)$73
Total Trip Cost$129
* Costs are estimates based on average fuel prices and vehicle maintenance. Actual costs may vary.
Alternative Transportation Options
🚗
By Car
4.5 hours
294 miles
✈️
By Plane
0.5 hours flight
406 km direct
🚌
By Bus
5.9 hours
Multiple stops
More routes from Dallas
Dallas to San Antonio - Frequently Asked Questions
What is the driving distance from Dallas to San Antonio?
The driving distance from Dallas to San Antonio is 294 miles (473 km) by the fastest route, which follows I-35 → TX-130 → TX-45 → I-10. The straight-line ("as the crow flies") distance is 406 km — driving distances are typically 20-40% longer than straight-line because roads must navigate around terrain and built environment.
How long does it take to drive from Dallas to San Antonio?
The drive from Dallas to San Antonio takes approximately 4h 27m of continuous driving at an average speed of 105 km/h. With a 15-minute rest stop every two hours, plan on roughly 5.2 hours of total trip time. Add additional time for traffic, weather, or border crossings.
What is the fastest route from Dallas to San Antonio?
The fastest driving route from Dallas to San Antonio is 294 miles (473 km) via I-35 → TX-130 → TX-45 → I-10, taking about 4h 27m. This corridor follows the major highway connection between the two cities and is optimized for travel time.
Are there alternative routes from Dallas to San Antonio?
Yes — alongside the fastest route, a shorter alternative covers 285.22 miles (459 km) in about 4h 30m. The shortest path saves 8.779999999999973 miles but takes longer overall because it uses smaller roads.
Does the route from Dallas to San Antonio include tolls?
Yes, the fastest driving route from Dallas to San Antonio includes toll roads along I-35 → TX-130 → TX-45 → I-10. Toll costs vary by vehicle class and exact path; check the route summary cards above for toll-road indicators on each route option.
How much fuel does it take to drive from Dallas to San Antonio?
A standard car at 30 mpg uses approximately 10 gallons (39 liters) of fuel for the 294-mile (473-km) drive from Dallas to San Antonio. At $3.50 per gallon that is roughly $35 in fuel cost; less efficient vehicles or higher local fuel prices will increase this proportionally.
How do I navigate from Dallas to San Antonio?
Use the "Open this route in your nav app" buttons above the journey guide to launch turn-by-turn directions in Google Maps, Apple Maps, or Waze. Each link pre-fills Dallas as the origin and San Antonio as the destination, so navigation begins as soon as the app opens.