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NHT to SIF: distance & flight time
Northolt (RAF Northolt) → Simara (Simara Airport)
4,581 mi
7,373 km · 3,981 nm
9h 27m
estimated nonstop flight time
+4.8h
time difference · heading east
See live NHT→SIF fares Phone-only fares on this route — call free
Flight time details
4,581 miles nonstop takes roughly 9h 27m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.8-hour time gain when reading arrival times on your ticket.
The two airports
- NHT — RAF Northolt · Northolt, United Kingdom
- SIF — Simara Airport · Simara, Nepal
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 NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 mi away
Near SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 mi away
Frequently asked questions
How far is NHT from SIF?
The flight distance from Northolt (NHT) to Simara (SIF) is 4,581 miles (7,373 km, 3,981 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT to SIF?
A nonstop flight takes about 9h 27m 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 Northolt and Simara?
Simara is 4.8 hours ahead of Northolt.
What is the cheapest way to fly from NHT to SIF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–SIF that never appear on search engines, with no booking fees.