Drive or Fly: Tomball, 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
MediumNo scheduled commercial flights found for IAH–GRK. At 169 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
3h 18m
Distance
169.6 mi
Total Cost
$72
CO2
69 kg
Cost Breakdown
Fly
Door to Door
2h 54m
17m in the air
Air Distance
144 mi
Total Cost
$126
CO2
37 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between IAH and GRK. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 3h 18m | 2h 54m |
| Total cost (1 person) | $72 | $126 |
| Carbon footprint | 69 kg CO2 | 37 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 21, 2026.
Route Options
2 different routes between these cities.
via TX 6, TX 249 Toll, FM 485
via US 190; TX 36, TX 249 Toll, TX 6
Decided to drive? See the full trip plan from Tomball, TX to Killeen, TX with stops, fuel costs, and turn-by-turn directions.