<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Middle_Seat:
Why is 22,859 miles significant?</font>
The official rules state that the itenerary must "exceed a minimum distance of 36 787.599 km (22 858.754 miles), the length of the Tropic of Cancer, as permitted by the FAI".
/RasmusDK