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SPF to EWK: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Newton (Newton City-County Airport)
557 mi
897 km · 484 nm
1h 41m
estimated nonstop flight time
+1h
time difference · heading southeast
See live SPF→EWK fares Phone-only fares on this route — call free
Flight time details
557 miles nonstop takes roughly 1h 41m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- EWK — Newton City-County Airport · Newton, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Near EWK
- BEC · Beech Factory Airport25 mi away
- ICT · Wichita Eisenhower National Airport30 mi away
- IAB · Mc Connell Air Force Base30 mi away
- HUT · Hutchinson Municipal Airport32 mi away
Frequently asked questions
How far is SPF from EWK?
The flight distance from Spearfish-South Dakota (SPF) to Newton (EWK) is 557 miles (897 km, 484 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to EWK?
A nonstop flight takes about 1h 41m 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 Spearfish-South Dakota and Newton?
Newton is 1 hour ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to EWK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–EWK that never appear on search engines, with no booking fees.