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PHL to PAO: distance & flight time
Philadelphia (Philadelphia International Airport) → Palo Alto (Palo Alto Airport of Santa Clara County)
2,505 mi
4,032 km · 2,177 nm
5h 23m
estimated nonstop flight time
-3h
time difference · heading west
See live PHL→PAO fares Phone-only fares on this route — call free
Flight time details
2,505 miles nonstop takes roughly 5h 23m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- PHL — Philadelphia International Airport · Philadelphia, United States
- PAO — Palo Alto Airport of Santa Clara County · Palo Alto, 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 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
Near PAO
- SFO · San Francisco International Airport18 mi away
- NUQ · Moffett Federal Airfield5 mi away
- SQL · San Carlos Airport8 mi away
- SJC · Norman Y. Mineta San Jose International Airport12 mi away
Frequently asked questions
How far is PHL from PAO?
The flight distance from Philadelphia (PHL) to Palo Alto (PAO) is 2,505 miles (4,032 km, 2,177 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHL to PAO?
A nonstop flight takes about 5h 23m 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 Philadelphia and Palo Alto?
Palo Alto is 3 hours behind Philadelphia.
What is the cheapest way to fly from PHL to PAO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHL–PAO that never appear on search engines, with no booking fees.