Any question answered...

I've got a fairly long (115mi) bumpy ride lined up on thursday and wanted to go for a flat 60ish mile gentle spin tomorrow.

Whenever I think of an easy flat route all I can think of is London to Cambridge. I'm bored of this.

Anybody have any suggestions for an alternative flat route? My imagination is letting me down.

How about a ride to sevenoaks in kent? There and back is about 50 miles. I did this route last month and enjoyed it.
http://app.strava.com/activities/56398674