As crows allegedly fly. Shoreham to B Head 21 Nm.
Swanborough ditto 12.
Deanland/Ripe ditto 9.
Swanborough has 650 m according to AFE Guide and IMHO very good approaches.
BTW the Vickers Vimy Replica landed at Ripe only a few years back, easy peasy ! I have movie pics from that day's visit.
mike hallam.