Drive or Fly: Harker Heights, TX to Laredo, 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–LRD. At 320 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

4h 54m

Distance

320.7 mi

Total Cost

$106

CO2

130 kg

Cost Breakdown

Diesel$71

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 58m

33m in the air

Air Distance

271 mi

Total Cost

$186

CO2

69 kg

Door-to-Door Timeline

Harker Heights, TX → GRK 15m

Check-in & Security 90m

Flight 33m

Arrival & Baggage 30m

LRD → Laredo, TX 10m

Cost Breakdown

Ticket (1 pax @ $131) $131

Rental car (1 day)$55

Airports

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

Laredo, TX LRD — Laredo International Airport 4 mi, ~10m drive

No scheduled flights found

No commercial flights between GRK and LRD. 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

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

At a Glance

	Drive	Fly
Door-to-door time	4h 54m	2h 58m
Total cost (1 person)	$106	$186
Carbon footprint	130 kg CO₂	69 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 12, 2026.

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