Flight plans
Yes. Hangar Addons has 1 community flight plan from Burwash Airport (CYDB) to Upavon Aerodrome (EGDJ), free to download.
The great-circle distance is about 3,741 nautical miles. The flight plans here estimate around 7 h 40 min in the air. Routed flight plans are usually a little longer than the direct line.
The plans here are made for A339. Each plan page lists its aircraft, route and waypoints.