On 2016\03\02 17:25, Robin9 wrote:

I drove down Woodgrange Road today past the two stations a few
hours before reading your post. Next time I'll re-set my clock and
measure the distance.

Forest Gate geo:51.5494,0.0242
Wanstead Park geo:51.5518,0.0264

The north-south distance is 267m, the actual distance is near enough to
that.