Straight line 6,812 miles
The Prime Meridian, located at 0° longitude, is the line that separates the Eastern and Western Hemispheres. This imaginary line runs from the North Pole to the South Pole, passing through Greenwich, London.
24901.5 miles 24901.5 miles
The straight-line distance is about 4,241.7 miles.
The line that separates the eastern and western hemisphere is called the Prime Meridian. It runs from the North Pole to the South Pole, passing through Greenwich, London, marking 0 degrees longitude.
A line that separates two places is a boundary line.
The approx distance between London and Paris in a straight line is 214 miles or 344.33 KM
The straight-line distance is 9,416.5 miles or 15,154.4 km
The flight distance of 5,751 miles [9,255 kilometers; 4,998 nautical miles] separates London, England from Rio de Janeiro, Brazil. The flight duration time is under 12 hours. London and Rio aren't in the same time zone. Rio is two hours behind London.
The line that separates the day and night is called the "TERMINATOR". it is a grey moving line
London-Houston by air is about 4,800 miles.
The Central Line of the London Underground runs West-East from Ruislip (16.5 miles west of central London) to Epping (20 miles North-East). The West-East branch of the District Line runs from Richmond (10 miles west of central London) to Upminster (20 miles East). The North-South branch runs from Edgeware Road (8 miles North) to Wimbledon (8.5 miles South).