This is a discussion on Calculate driving distance between postcodes within the Excel Questions forums, part of the Question Forums category; I can’t take credit for the code but you can take a look at the source at the link below. ...
I can’t take credit for the code but you can take a look at the source at the link below. There are options to add features.
As Kyle123 rightly says, it is in breach of the T&C’s but if you add a map to the spreadsheet it is within the T&C’s.
As I’m a naughty boy I leave off the map because it’s quicker but that’s just me.
Excel 2010 on Win7 at home - 2013 on win7 at work