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SQL to SFZ: distance & flight time
San Carlos (San Carlos Airport) → Smithfield (North Central State Airport)
2,675 mi
4,306 km · 2,325 nm
5h 43m
estimated nonstop flight time
+3h
time difference · heading northeast
See live SQL→SFZ fares Phone-only fares on this route — call free
Flight time details
2,675 miles nonstop takes roughly 5h 43m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- SQL — San Carlos Airport · San Carlos, United States
- SFZ — North Central State Airport · Smithfield, 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 SQL
- SFO · San Francisco International Airport10 mi away
- PAO · Palo Alto Airport of Santa Clara County8 mi away
- HWD · Hayward Executive Airport12 mi away
- NUQ · Moffett Federal Airfield13 mi away
Near SFZ
- BOS · General Edward Lawrence Logan International Airport39 mi away
- PVD · Theodore Francis Green State Airport14 mi away
- NCO · Quonset State Airport23 mi away
- OWD · Norwood Memorial Airport25 mi away
Frequently asked questions
How far is SQL from SFZ?
The flight distance from San Carlos (SQL) to Smithfield (SFZ) is 2,675 miles (4,306 km, 2,325 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SQL to SFZ?
A nonstop flight takes about 5h 43m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SQL to SFZ?
Nonstop service on SQL–SFZ depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 5h 43m nonstop estimate.
What is the time difference between San Carlos and Smithfield?
Smithfield is 3 hours ahead of San Carlos.
What is the cheapest way to fly from SQL to SFZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SQL–SFZ that never appear on search engines, with no booking fees.
Why are some SQL to SFZ fares phone-only?
Consolidator contracts let us sell certain SQL–SFZ tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.