Lord Howe Island is approximately 489 miles (about 787 kilometers or 425 nautical miles) from Sydney. The distance is measured between Sydney Airport and Lord Howe Island Airport. Flights between the two locations typically take around 1 hour and 25 minutes. The island lies northeast of Sydney in the Tasman Sea and is a popular destination known for its natural beauty, being a UNESCO World Heritage site. This distance makes it quite accessible by a short flight from Sydney, which usually takes less than two hours.