Drive or Fly: Harker Heights, TX to Austin, TX?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No scheduled commercial flights found for GRK–AUS. At 70 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

1h 22m

Distance

70 mi

Total Cost

$50

CO2

28 kg

Cost Breakdown

Diesel$15

Hotel (1 room, 0 nights) $0

Meals (1 pax, 1 day) $35

+ No luggage restrictions or TSA lines

+ Comfortable one-day drive

+ Stop anywhere along the route

+ Have your own car at the destination

+ Likely faster door-to-door than flying

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

2h 32m

7m in the air

Air Distance

57 mi

Total Cost

$122

CO2

14 kg

Door-to-Door Timeline

Harker Heights, TX → GRK 15m

Check-in & Security 90m

Flight 7m

Arrival & Baggage 30m

AUS → Austin, TX 10m

Cost Breakdown

Ticket (1 pax @ $122) $122

Airports

Harker Heights, TX GRK — Killeen Regional Airport / Robert Gray Army Airfield 10 mi, ~15m drive

Austin, TX AUS — Austin Bergstrom International Airport 7 mi, ~10m drive

No scheduled flights found

No commercial flights between GRK and AUS. Flight estimates above are theoretical.

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− Luggage fees and restrictions

− Less flexibility for stops along the way

At a Glance

	Drive	Fly
Door-to-door time	1h 22m	2h 32m
Total cost (1 person)	$50	$122
Carbon footprint	28 kg CO₂	14 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	Data unavailable

Drive data: OSRM routing, EIA fuel prices

Flight data: Statistical estimate

Airports: OurAirports

Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 19, 2026.

Decided to drive? See the full trip plan from Harker Heights, TX to Austin, TX with stops, fuel costs, and turn-by-turn directions.