Keflavík Airport, also known as Reykjavík–Keflavík Airport, is the largest airport in Iceland and the country's main hub for international transportation. The airport is located approximately 3 km west of the town of Keflavík, Reykjanesbær. and 50 km southwest of Reykjavík. The airport has two runways each measuring approx. 3,050 m. Most internationa…Keflavík Airport, also known as Reykjavík–Keflavík Airport, is the largest airport in Iceland and the country's main hub for international transportation. The airport is located approximately 3 km west of the town of Keflavík, Reykjanesbær. and 50 km southwest of Reykjavík. The airport has two runways each measuring approx. 3,050 m. Most international journeys to or from Iceland pass through this airport.