Frequently Asked Questions
What is the distance between Honiara, Guadalcanal, Solomon Islands and London, Westminster, United Kingdom?
The straight-line (great-circle) distance between Honiara, Guadalcanal, Solomon Islands and London, Westminster, United Kingdom is 14,997 kilometres (9,319 miles). This is the shortest possible distance between the two points on Earth's surface, calculated using the haversine formula based on precise latitude and longitude coordinates.
How long does it take to fly from Honiara, Guadalcanal, Solomon Islands to London, Westminster, United Kingdom?
At an average commercial jet speed of 900 km/h, the estimated flight time from Honiara to London is approximately 16.7 hours. This excludes takeoff, landing, taxi time, and potential layovers. Actual flight duration may vary depending on aircraft type, routing, weather conditions, and air traffic.
What is the time difference between Honiara, Guadalcanal, Solomon Islands and London, Westminster, United Kingdom?
The time difference between Honiara, Guadalcanal, Solomon Islands and London, Westminster, United Kingdom is -10h. London is -10h behind Honiara. This difference is important to consider when scheduling calls, meetings, or travel between the two cities.
Is the distance shown the same as driving distance?
No. The distance shown is the straight-line distance (also called "as the crow flies" or great-circle distance). Actual driving distance would be longer due to roads, terrain, and geographic obstacles. Flight routing may also differ from the straight-line path due to air traffic corridors, weather, and political airspace restrictions.
How accurate is this distance calculator?
Our calculator uses precise latitude and longitude coordinates from a database of over 150,000 cities worldwide and applies the haversine formula. This method is accurate to within a fraction of a percent for Earth-scale distances, making it suitable for travel planning, logistics, and general reference.
What are the coordinates of Honiara and London?
Honiara is located at approximately -9.43333000°N, 159.95000000°E. London is located at approximately 51.50853000°N, -0.12574000°E. These coordinates are used to calculate the precise great-circle distance between the two cities.