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DCA to SME: distance & flight time
Washington (Ronald Reagan Washington National Airport) → Somerset (Lake Cumberland Regional Airport)
431 mi
694 km · 375 nm
1h 24m
estimated nonstop flight time
Same time
time difference · heading west
See live DCA→SME fares Phone-only fares on this route — call free
Flight time details
431 miles nonstop takes roughly 1h 24m gate to gate, flying west. 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
- DCA — Ronald Reagan Washington National Airport · Washington, United States
- SME — Lake Cumberland Regional Airport · Somerset, 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 DCA
Near SME
- LOZ · London-Corbin Airport/Magee Field29 mi away
- LEX · Blue Grass Airport68 mi away
- GLW · Glasgow Municipal Airport74 mi away
- FFT · Capital City Airport80 mi away
Frequently asked questions
How far is DCA from SME?
The flight distance from Washington (DCA) to Somerset (SME) is 431 miles (694 km, 375 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to SME?
A nonstop flight takes about 1h 24m 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 DCA to SME?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–SME that never appear on search engines, with no booking fees.