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MHQ to SQL: distance & flight time
Mariehamn (Mariehamn Airport) → San Carlos (San Carlos Airport)
5,357 mi
8,621 km · 4,655 nm
10h 58m
estimated nonstop flight time
-10h
time difference · heading northwest
See live MHQ→SQL fares Phone-only fares on this route — call free
Flight time details
5,357 miles nonstop takes roughly 10h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- MHQ — Mariehamn Airport · Mariehamn, Finland
- SQL — San Carlos Airport · San Carlos, 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 MHQ
- ARN · Stockholm-Arlanda Airport76 mi away
- TKU · Turku Airport85 mi away
- BMA · Stockholm-Bromma Airport86 mi away
- GVX · Gävle Sandviken Airport106 mi away
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
Frequently asked questions
How far is MHQ from SQL?
The flight distance from Mariehamn (MHQ) to San Carlos (SQL) is 5,357 miles (8,621 km, 4,655 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MHQ to SQL?
A nonstop flight takes about 10h 58m 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 Mariehamn and San Carlos?
San Carlos is 10 hours behind Mariehamn.
What is the cheapest way to fly from MHQ to SQL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MHQ–SQL that never appear on search engines, with no booking fees.