Located at 10°30′ south and 105°40′ east, Christmas Island lies 2,600 kilometres (1,600 mi) northwest of Perth, Western Australia, 350 km (220 mi) south of Indonesia, 975 km (606 mi) ENE of the Cocos Keeling Islands, and 2,748 km (1,708 mi) west of Darwin, Northern Territory. Its closest point to the Australian mainland is 1,560 km (970 mi) from the town of Exmouth, Western Australia.
The island is about 19 kilometres (12 mi) in greatest length and 14.5 km (9.0 mi) in breadth. The total land area is 135 square kilometres (52 sq mi), with 138.9 km (86.3 mi) of coastline. The island is the flat summit of an underwater mountain more than 4,500 metres (14,800 ft) high, which rises from about 4,200 m (13,780 ft) below the sea and only about 300 m (984 ft) above it
The VK9XG team will be operating from the Sunset Hotel which is a few km north of Flying Fish Cove, the capital of Christmas Island, located on the north-eastern tip of the Island.