Anglia Ruskin University is a located in England and has campuses in both Chelmsford and Cambridge. This university was previously known as Anglia Polytechnic University. It is the 13th largest university in England. This university was founded in the year 1858 by John Ruskin. Harrow is a London Borough bordering places like Hertfordshire. This place was formed as a urban district initially but later it expanded and grew.
You should have mentioned the name of the campus that you want to visit. As this university has campuses in two places and you have not specified the actual place it would not be possible to give you the specific distance. But nowadays it is no trouble to find out the distances between people because there are several tools which help in this purpose, one of them is mileage maps which you can obtain from the internet or from stores in your locality.