London has several airports, but most long-haul flights arrive at Heathrow or Gatwick.
To travel from Gatwick airport: walk to Gatwick Railway Station and take the Gatwick Express train to London Victoria Station, then travel to South Quay station.
By tube / DLR
The closest station is South Quay (2 minutes walk). This is on the Docklands Light Railway (DLR) line, which is connected to the London Underground (also known as the Tube) network.
The next nearest station is Canary Wharf (15 minutes walk), on the Tube's Jubilee Line.
You can see the University of Sunderland in London from South Quay DLR Station, and it is only a short walk east along Marsh Wall Road.
If you are interested in exploring the local area on foot, Walkit, an urban walking route planner, can help you plan a journey between any points in the UK.
You can also plan walking routes on the Transport for London website.