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PSM to DTB: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Siborong-Borong (Silangit Airport)
9,241 mi
14,872 km · 8,030 nm
18h 35m
estimated nonstop flight time
+11h
time difference · heading north
See live PSM→DTB fares Phone-only fares on this route — call free
Flight time details
9,241 miles nonstop takes roughly 18h 35m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- DTB — Silangit Airport · Siborong-Borong, Indonesia
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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Near DTB
- FLZ · Dr Ferdinand Lumban Tobing Airport49 mi away
- AEG · Aek Godang Airport67 mi away
- MES · Soewondo Air Force Base92 mi away
- KNO · Kualanamu International Airport96 mi away
Frequently asked questions
How far is PSM from DTB?
The flight distance from Portsmouth (PSM) to Siborong-Borong (DTB) is 9,241 miles (14,872 km, 8,030 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to DTB?
A nonstop flight takes about 18h 35m 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 Portsmouth and Siborong-Borong?
Siborong-Borong is 11 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to DTB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–DTB that never appear on search engines, with no booking fees.