How far is San Antonio from Colleyville?

It is about 450 kilometers away.

Is there public transport?

San Antonio has a limited bus system.

Yes, traffic can be very heavy on I-35.

San Antonio has many historic sites, parks, and the River Walk.

Colleyville

San Antonio

Driving

Colleyville to San Antonio

Updated: 31 May 2026

The journey from Colleyville to San Antonio covers approximately 450 kilometers. You will drive south through the heart of Texas via I-35. San Antonio is known for the Alamo, the River Walk, and its rich history. Driving is the most flexible option.

Total Distance: Driving distance 450 km, Air distance 400 km.

Fastest Way

Driving via I-35 takes about 4.5 hours.

Cheapest Way

Driving your own vehicle is the most cost-effective method.

Compare Colleyville to San Antonio Routes

Driving

Direct

Duration

4.5 hours

Avg Price

$60 - $100 in fuel

Operator

Personal Vehicle

Route

TX-121 S to I-35 S.

The drive is straightforward but can be busy near Austin.

Travel Tips

Traffic
I-35 can be very congested; plan your travel accordingly.
Parking
Use parking apps to find the best rates in downtown San Antonio.
Dining
Explore the diverse food scene, especially the Tex-Mex.
Weather
Summers are very hot; stay hydrated.
Culture
Visit the historic missions for a unique experience.

Safety Tips

Driving
Be alert for aggressive drivers on major highways.
Urban Safety
Standard city safety precautions apply.
Emergency
Keep your phone charged for navigation.
General
Stay aware of your surroundings.