Suvarnabhumi Airport is accessible by 5 routes.
- from the north via the new Bangkok-Chon Buri Highway, an 8-lane elevated highway
- from the northwest via a 6-lane road links to the Rom Klao elevated highway and King Kaew Flyover
- from the South via a 4-lane road links the airport to Bang Na-Trat highway
- from the northeast via a 4-lane road connecting to Onnuj Road Road
- from the west via a 4-lane road linking King Kaew Road
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