Drive or Fly: Kerrville, TX to Killeen, 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 SAT–GRK. At 139 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

2h 48m

Distance

139.3 mi

Total Cost

$66

CO2

56 kg

Cost Breakdown

Diesel$31

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

3h 43m

13m in the air

Air Distance

112 mi

Total Cost

$124

CO2

29 kg

Door-to-Door Timeline

Kerrville, TX → SAT 80m

Check-in & Security 90m

Flight 13m

Arrival & Baggage 30m

GRK → Killeen, TX 10m

Cost Breakdown

Ticket (1 pax @ $124) $124

Airports

Kerrville, TX SAT — San Antonio International Airport 54 mi, ~80m drive

Killeen, TX GRK — Killeen Regional Airport / Robert Gray Army Airfield 7 mi, ~10m drive

No scheduled flights found

No commercial flights between SAT and GRK. 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	2h 48m	3h 43m
Total cost (1 person)	$66	$124
Carbon footprint	56 kg CO₂	29 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 18, 2026.

Route Options

2 different routes between these cities.

Fastest

139.3 mi 2h 48m

via US 281, US 290, US 190

Alternative (+25 min)

159.4 mi 3h 14m

via US 281, RM 473, US 190

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