What are the parallels and meridians of London?

The parallels and meridians of London are as follows:

Parallels:

- 51°30'N: This is the latitude of central London.

- 51°28'N: This is the latitude of Heathrow Airport.

- 51°25'N: This is the latitude of Richmond Park.

Meridians:

- 0°0'W: This is the longitude of the Royal Observatory in Greenwich, which is the Prime Meridian.

- 0°07'W: This is the longitude of St Paul's Cathedral.

- 0°12'W: This is the longitude of Buckingham Palace.