I believe they leave Mauritius on June 13. I think we've seen the last extended pitstop, as the dates get pretty squeezed from here on out with so many confirmed sightings:
EP8: Bel Ombre, Mauritius to Madagascar (EL #6?)/Filmed JUNE 13-14, will air NOV 5
EP9: Madagascar to Lohja, Finland (TBC?)/Filmed JUNE 15-16, will air NOV 12
TEAMS SPOTTED IN FINLAND ON JUNE 16
EP10: Lohja, Finland to Kiev, Ukraine (EL #7?)/Filmed JUNE 17-18, will air NOV 19
EP11: Kiev, Ukraine to Ourzazate, Morocco (NEL #3?)/Filmed JUNE 19-20, will air NOV 26
EP12: Ourzazate, Morocco to Barcelona, Spain (EL #8?)/Filmed JUNE 21-22, will air DEC 3
BARCELONA TIMELINE CONFIRMED -- JUNE 21-22
EP13: Barcelona, Spain to Paris, France to New York, NY (USA)/Filmed JUNE 23-24, will air DEC 10
TEAMS SPOTTED ON PLANE JUNE 23, IN NYC ON JUNE 24