GSP stands for Greenville Airport. Codes like this one are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.
Booking a flight to Greenville (GSP) is your only option if you intend on flying to Greenville. It is only a 16.7 km journey from Greenville to Greenville’s city center.
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