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INT to SLD: distance & flight time
Winston-salem (Smith Reynolds Airport) → Sliac (Sliač Airport)
4,778 mi
7,690 km · 4,152 nm
9h 50m
estimated nonstop flight time
+6h
time difference · heading northeast
See live INT→SLD fares Phone-only fares on this route — call free
Flight time details
4,778 miles nonstop takes roughly 9h 50m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- INT — Smith Reynolds Airport · Winston-salem, United States
- SLD — Sliač Airport · Sliac, Slovakia
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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 mi away
Near SLD
- ILZ · Žilina Airport47 mi away
- TAT · Poprad-Tatry Airport59 mi away
- PZY · Piešťany Airport60 mi away
- UHE · Kunovice Airport82 mi away
Frequently asked questions
How far is INT from SLD?
The flight distance from Winston-salem (INT) to Sliac (SLD) is 4,778 miles (7,690 km, 4,152 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT to SLD?
A nonstop flight takes about 9h 50m 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 Winston-salem and Sliac?
Sliac is 6 hours ahead of Winston-salem.
What is the cheapest way to fly from INT to SLD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–SLD that never appear on search engines, with no booking fees.