Drive or Fly: Garland, TX to San Marcos, TX?
Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.
Driving wins
MediumNo scheduled commercial flights found for TXK–AUS. At 375 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
6h 46m
Distance
375.2 mi
Total Cost
$118
CO2
152 kg
Cost Breakdown
Fly
Door to Door
4h 18m
38m in the air
Air Distance
316 mi
Total Cost
$188
CO2
81 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between TXK and AUS. Flight estimates above are theoretical.
Train
Amtrak
Door to Door
15h 33m
13h 48m on rail
Total Cost
$67
CO2
19 kg
Route
Texas Eagle
Door-to-Door Timeline
Cost Breakdown
Estimated based on distance. Check amtrak.com for current prices.
Stations
Service
Direct
Frequency
~6/week
At a Glance
| Drive | Fly | Train | |
|---|---|---|---|
| Door-to-door time | 6h 46m | 4h 18m | 15h 33m |
| Total cost (1 person) | $118 | $188 | $67 |
| Carbon footprint | 152 kg CO2 | 81 kg CO2 | 19 kg CO2 |
| Flexibility | High | Low | |
| Luggage | Unlimited | Restricted | |
| Reliability | Weather dependent | Data unavailable |
Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 18, 2026.
Route Options
2 different routes between these cities.
via I 30, I 35, I 35E
via US 79, TX 155, US 79; US 190
Decided to drive? See the full trip plan from Garland, TX to San Marcos, TX with stops, fuel costs, and turn-by-turn directions.