My route out was, then, Denham, `HEN', `WCO', OHD Oxford, OHD Hinton Waldrist. Due to it's proximity, we decided that we would pay a visit to the White Horse at Uffington, too. The return would be a reverse of the trip out, but going from `HEN' to Bovingdon which is the initial inbound reporting point for Denham.
The wind chart was showing about 260/15 at 2000ft for the area and the C172 has a cruise speed of about 95kts, so my outbound plan was:
And for the return journey: