total: 504 usable: 457 with permanent-surface runways: 200 with runways 2,440-3,659 m: 52 with runways 1,220-2,439 m: 3 with runways 2,440-3,659 m: 4 with runways 2,440-3,659 m: 4 with permanent-surface runways: 9 with runways 1,220-2,439