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STS to XSP: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Singapore (Seletar Airport)
8,389 mi
13,501 km · 7,290 nm
16h 55m
estimated nonstop flight time
+15h
time difference · heading northwest
See live STS→XSP fares Phone-only fares on this route — call free
Flight time details
8,389 miles nonstop takes roughly 16h 55m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, United States
- XSP — Seletar Airport · Singapore, Singapore
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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 mi away
Near XSP
- SIN · Singapore Changi Airport10 mi away
- QPG · Paya Lebar Air Base5 mi away
- TGA · Tengah Air Base11 mi away
- JHB · Senai International Airport21 mi away
Frequently asked questions
How far is STS from XSP?
The flight distance from Santa Rosa (STS) to Singapore (XSP) is 8,389 miles (13,501 km, 7,290 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to XSP?
A nonstop flight takes about 16h 55m 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 Santa Rosa and Singapore?
Singapore is 15 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to XSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–XSP that never appear on search engines, with no booking fees.