What do you mean by 'choose'? When for?
If you're thinking about Sep 2017 YR entry, I suggest you wait a couple of months, as Greenwich will then release their primary admissions booklet and also update their interactive offers map with last distances for this year's reception.
Are you Catholic? Where do you live? What's your closest school?
The catchment areas for those schools don't overlap much, if at all - the last distances currently published are for 2015 when several schools in the area expanded, either permanently or temporarily, so the figures are misleading. Invicta, Sherington, etc were around 400-500m in 2015 and shrank this year. AFAIK, neither would overlap with Thorntree, so if you had a chance of Invicta based in distance, you'd have no chance of Thorntree. I don't know admissions data for Our Lady of Grace but they prioritise Catholics so you'd need to live extremely close indeed to be in with a chance if you can't prove faith.
Realistically round Greenwich/Charlton/Blackheath etc, 'choice' is an illusion. You hope that you live near enough a decent school to get in. If you do have a choice, it'll be through faith and distance (eg meeting faith criteria for Our Lady and living next door to Sherington) or being close enough to an excellent school and having a not-great school as back-up. There is, or was, a little overlap between Sherington and Invicta (both outstanding schools) in the roads nearest the Standard on the Charlton side, but that may well have gone this year, and both those (and much of Charlton/E Greenwich) would overlap with Fossdene.
If you're looking at YR 2017, best thing is wait for the admissions booklet (available from libraries, nurseries, etc) and the offers map, look at the distances and work out what you have a reasonable chance of getting, then find out when the schools' open days are (often Oct/Nov time) and go and look round.