Distance From Grimes Field to Singapore Changi Airport

The distance from Grimes Field () to Singapore Changi Airport (SIN) is 10075 miles or 16214 kilometers or 8749 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Semmes ( United States ) to Singapore ( Singapore )?

A one-way nonstop (direct) flight between Semmes and Singapore takes around 23 hours 9 minutes.

Estimated flight time from Grimes Field, Semmes, United States to Singapore Changi Airport, Singapore, Singapore is 23 hours 9 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - SIN

Kilometers		16214 km
Statute Miles		10075 miles
Nautical Miles		8749 nm
Avg. Time of Flight		23 hours 9 minutes

Grimes Field to Singapore Changi Airport Flight Route Map - to SIN Flight Path

Location of Grimes Field & Singapore Changi Airport is given below.
Click the map to view Semmes to Singapore nonstop flight path and travel direction.

Click to see flight route on Google Map between Semmes, United States and Singapore, Singapore. .

Nonstop flight route between Semmes, United States and Singapore, Singapore.

Time Difference Between the Airports • - SIN

Time difference between Semmes (United States) and Singapore (Singapore) is 12 Hours.
Singapore time is 12 Hours ahead of Semmes.

Location	Local Time
Semmes (United States)	2026-06-19, 05:44:05 EDT
Singapore (Singapore)	2026-06-19, 17:44:05 +08

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Grimes Field ( / AL74) Semmes, United States

Destination

Singapore Changi Airport (SIN / WSSS) Singapore, Singapore