Wellington is very compact, with a central city area that is just two kilometres in diameter, making it possible to walk from one side to the other in less than 20 minutes.
Wellington also has an extensive public transport system. Metlink has an easy to use journey planner for buses, trains and ferries with the Wellington region. See www.metlink.org.nz
There are also a number of taxi companies.
For more information about getting around Wellington see www.wellingtonnz.com