Just to confirm, is she traveling from Krimnos to Didymos and then taking the airship to the City of Free Peoples?

Traveling on foot from Didymos to Krimnos, or from Krimnos to Didymos, takes about 2-6 days depending on how quickly she travels, what setbacks she encounters, and whether she travels by horse or on foot. The airship from Didymos to the City of the Free Peoples takes about 4-6 hours.