Have to fly? Make Your Flight Carbon Free

Short haul: up to 1,000 miles (1600km), one way,
e.g. intra-European flights, London - Madrid.

Medium haul: 1000 to 4,000 miles (6430km), one way,
e.g. London - Dubai or New York - Los Angeles.

Long haul: above 4,000 miles (6430km), one way,
e.g. London - Singapore or Tokyo - New York.