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IAD to ROA: distance & flight time
Washington (Washington Dulles International Airport) → Roanoke VA (Roanoke–Blacksburg Regional Airport)
177 mi
285 km · 154 nm
56m
estimated nonstop flight time
Same time
time difference · heading southwest
See live IAD→ROA fares Phone-only fares on this route — call free
Flight time details
177 miles nonstop takes roughly 56m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- ROA — Roanoke–Blacksburg Regional Airport · Roanoke VA, 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 ROA
- LYH · Lynchburg Regional Preston Glenn Field43 mi away
- LWB · Greenbrier Valley Airport44 mi away
- DAN · Danville Regional Airport63 mi away
- BLF · Mercer County Airport68 mi away
Frequently asked questions
How far is IAD from ROA?
The flight distance from Washington (IAD) to Roanoke VA (ROA) is 177 miles (285 km, 154 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to ROA?
A nonstop flight takes about 56m 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 cheapest way to fly from IAD to ROA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–ROA that never appear on search engines, with no booking fees.