Yes, it is a major interstate and well-patrolled.

How many days to drive?

It is recommended to take 3 days for safety.

Amtrak connects to San Diego, but not from Mexia.

What is the best time to visit?

San Diego has great weather year-round.

Is parking expensive?

Yes, downtown parking can be costly.

Mexia

San Diego

Flight Driving

Mexia to San Diego

Updated: 31 May 2026

Traveling from Mexia to San Diego involves crossing the vast landscapes of the American Southwest. The driving route primarily follows I-10 West through San Antonio, El Paso, and Phoenix. This is a multi-day journey requiring careful planning for desert conditions. Alternatively, flying from Dallas/Fort Worth International Airport offers a quick transit to San Diego International Airport. The journey showcases the transition from Texas plains to the Pacific coast.

Total Distance: 2250 km driving distance, 1900 km air distance.

Fastest Way

Flying from DFW to SAN takes approximately 6 hours total.

Cheapest Way

Driving is cheaper for groups, but flying is more time-efficient.

Compare Mexia to San Diego Routes

	Flight Direct	Driving Direct
Duration	6 hours	22 hours
Avg Price	$300-$600	$300-$400 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	DFW to SAN.	US-84 to I-10 W.
Tip	Southwest Airlines often offers direct flights from Dallas to San Diego.	Plan for at least two overnight stops in El Paso and Tucson.

Travel Tips

Desert Heat
Carry extra water when driving through the Arizona desert.
Time Zone Change
San Diego is in the Pacific Time Zone, two hours behind Mexia.
Traffic
Avoid the I-10/I-8 interchange in San Diego during rush hour.
Booking
Book flights at least three weeks in advance for better rates.
Navigation
Download offline maps as cell service can be spotty in West Texas.

Safety Tips

Vehicle Prep
Check your cooling system before driving through the desert.
Fatigue
Do not drive more than 10 hours per day to stay alert.
Emergency Supplies
Keep a first aid kit and extra snacks in your vehicle.
Sun Protection
Use high-SPF sunscreen even while driving due to intense sun exposure.