Ferries from Kalymnos to Rhodes can peak at up to 2 daily sailings, Sailing frequency typically peaks in the summer months, with approximately 9 departures offered each week. While schedules may be reduced from Kalymnos to Rhodes in other seasons, ferry services are often still available.

Ferry travel from Kalymnos to Rhodes on average typically takes 3h 10m. The earliest ferry usually leaves from Kalymnos at 05:25, arriving to Rhodes at 06:40 The latest ferry departs at 23:05 and arrives at 19:00.