How can I travel between campuses?

The University runs some inter-site bus services and the 286 public bus runs between the centre of Greenwich and Avery Hill (University bus taking about 20 minutes for the journey and the 286 taking about 40 minutes). The distances between campuses are –
Avery Hill – Greenwich                     6 miles              9.5km
Greenwich – Medway                      30½ miles         49km
Medway – Avery Hill                        23½ miles         38km