There is no landing site halfway between the UK and Panama. That would be the Atlantic Ocean.
Gloucester, UK is halfway between Bath & Birmingham
The halfway point between London in England (United Kingdom) and Aylesbury in England (UK) is Watford. Watford is in England (UK).
Nottingham is the half-way point between Bath, UK and Durham, UK. Nottingham is famed for its links to the legend of Robin Hood.
The geographic halfway point between London in England (United Kingdom) and Nottingham in England, (United Kingdom) is Northampton, also in England (UK). The halfway point co-ordinates are 52° 12' 8" N and 0° 55' 20" W.
The halfway point between Chengdu, China, and Brighton, UK, is likely to be around the eastern part of the Mediterranean Sea, potentially near countries like Turkey or Greece. This location is determined by the approximate midpoint of the great-circle distance between the two cities. However, the exact halfway point can vary slightly depending on the specific routes taken.
Huntingdon, in Cambridgeshire
If you swing south, your halfway point along the coast would be around Bournemouth. If you swing north, your halfway point along the coast would be Bristol, which is less scenic but it's a direct shot on the M4 and M5.
Cheltenham
Arnold, UK
A good halfway meeting point between Leeds and San Francisco would be an airport or airport hotel near the East Coast of the United States. So any airport or airport hotel around New York or Philadelphia would be convenient.
Refueling points are normally halfway and include Singapore, Hong Kong and Dubai
The midpoint between London, UK, and Busan, South Korea, is roughly over the northern part of Kazakhstan or possibly near the border with Mongolia. The exact halfway point can vary slightly depending on the specific route taken. This region is quite remote, characterized by vast steppes and low population density.