Need help booking?
Unpublished phone-only deals available
GRK to PHL: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Philadelphia (Philadelphia International Airport)
1,404 mi
2,259 km · 1,220 nm
3h 31m
estimated nonstop flight time
+1h
time difference · heading northeast
See live GRK→PHL fares Phone-only fares on this route — call free
Flight time details
1,404 miles nonstop takes roughly 3h 31m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- PHL — Philadelphia International Airport · Philadelphia, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 mi away
Near PHL
- BBX · Wings Field18 mi away
- PNE · Northeast Philadelphia Airport19 mi away
- LLY · South Jersey Regional Airport22 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base23 mi away
Frequently asked questions
How far is GRK from PHL?
The flight distance from Killeen (GRK) to Philadelphia (PHL) is 1,404 miles (2,259 km, 1,220 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to PHL?
A nonstop flight takes about 3h 31m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Killeen and Philadelphia?
Philadelphia is 1 hour ahead of Killeen.
What is the cheapest way to fly from GRK to PHL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–PHL that never appear on search engines, with no booking fees.