Flight Time Estimator

Calculate the great-circle distance and estimated flight time between any two airports worldwide. This tool models theoretical nonstop routing, allowing you to analyze routes even if no airline currently operates direct service between them.

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Estimate Flight Time

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San Francisco (SFO) → Singapore (SIN)

Singapore flag Singapore (SIN) – Singapore 2 airlines
16 hr 40 mins
8,439 mi · 13,582 km
5
per day
Estimated flight time
16 hr 40 mins
Distance
8,439 Miles · 13,582 Kilometers
7,333.44 Nautical Miles

Singapore (SIN) → San Francisco (SFO)

United States of America flag San Francisco (SFO) – United States of America 2 airlines
16 hr 20 mins
8,439 mi · 13,582 km
5
per day
Estimated flight time
16 hr 20 mins
Distance
8,439 Miles · 13,582 Kilometers
7,333.44 Nautical Miles