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IAD to LNR: distance & flight time
Washington (Washington Dulles International Airport) → Lone Rock (Tri-County Regional Airport)
724 mi
1,166 km · 630 nm
2h 2m
estimated nonstop flight time
-1h
time difference · heading northwest
See live IAD→LNR fares Phone-only fares on this route — call free
Flight time details
724 miles nonstop takes roughly 2h 2m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- LNR — Tri-County Regional Airport · Lone Rock, 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 IAD
Near LNR
- MSN · Dane County Regional Truax Field43 mi away
- PCD · Prairie Du Chien Municipal Airport49 mi away
- VOK · Volk Field50 mi away
- DBQ · Dubuque Regional Airport62 mi away
Frequently asked questions
How far is IAD from LNR?
The flight distance from Washington (IAD) to Lone Rock (LNR) is 724 miles (1,166 km, 630 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to LNR?
A nonstop flight takes about 2h 2m 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 Washington and Lone Rock?
Lone Rock is 1 hour behind Washington.
What is the cheapest way to fly from IAD to LNR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–LNR that never appear on search engines, with no booking fees.