A random search LON to GIG (Rio de Janeiro) shows:
OPTION 1: 13hr 50min
LHR - LIS TAP Portugal Flt 351 Dep 06:00am 26Jun,Fri
LIS - GIG TAP Portugal Flt 179 Dep 09:35am 26Jun,Fri
Flight Duration: 12hr 55min; Layover Time: 0hr 55min; Total Trip Time: 13hr 50min OPTION 2: 14hr 10min
LHR - MAD Iberia Flt 3161 Dep 07:25am 26Jun,Fri
MAD - GIG Iberia Flt 6025 Dep 12:20pm 26Jun,Fri
Flight Duration: 12hr 35min; Layover Time: 1hr 35min; Total Trip Time: 14hr 10min
A flight from the UK to Brazil will just fly over Southampton and the Atlantic Ocean (heading southwest), before coming into Brazil.
The distance between the above places is 5539 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is 3633 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is 887 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is 2625 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is 4670 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is 1036 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is 1211 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is4533 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is 972 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is 3299 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
The distance between the above places is 5813 miles. This distance is point to point straight distance as seen on the map. The actual distance covered by a flight may vary according to the flight path chosen. Also this is not the airport to airport distance.
A flight to Jamaica from the UK (using London as an example), will fly southwest out of London, then over south-west England before approaching the Atlantic Ocean, and then the flight will mainly fly over the Atlantic Ocean before descending into Kingston, Jamaica.