It is similar in length than the Thames but may be slightly longer by a few miles.
That would be the River Thames.
The River Thames is the major river through London, cutting right through the middle of the city. There are many other rivers in London, such as the River Lee (or Lea) and the River Brent.
The river Thames (pronounced temz)
London is situated on the River Thames (pronounced 'temz'.
Thames River
No gradually widening estuary as on the Thames or the St lawrence. The Nile enters the Mediterranean via a delta. You would do well to look it up on a map.
The Thames flows through London.
The River Thames has multiple confluences. One such is the confluence of the River Thames and the River Darent at Dartford.
The river Thames.
The river Thames is in England.
River Thames.