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SYO to DCA: distance & flight time
Shonai (Shonai Airport) → Washington (Ronald Reagan Washington National Airport)
6,585 mi
10,598 km · 5,723 nm
13h 23m
estimated nonstop flight time
-13h
time difference · heading northeast
See live SYO→DCA fares Phone-only fares on this route — call free
Flight time details
6,585 miles nonstop takes roughly 13h 23m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- SYO — Shonai Airport · Shonai, Japan
- DCA — Ronald Reagan Washington National Airport · Washington, 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 SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 mi away
Near DCA
Frequently asked questions
How far is SYO from DCA?
The flight distance from Shonai (SYO) to Washington (DCA) is 6,585 miles (10,598 km, 5,723 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYO to DCA?
A nonstop flight takes about 13h 23m 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 Shonai and Washington?
Washington is 13 hours behind Shonai.
What is the cheapest way to fly from SYO to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYO–DCA that never appear on search engines, with no booking fees.