South Wimbledon and Wimbledon are much closer together and Wimbledon and
Morden are close too.
Updated (and fixed south District and Northern in general):
http://www.fxfp.com/get/tube/2007/05/m_001.png
Also I made a special version of the map with tomorrow's disruptions
included (or excluded, to be exact):
http://www.fxfp.com/get/tube/2007/05/w_001.png