All the climbs in the Everest range (except Manaslu) will involve a flight from Kathmandu to the east to Lukla airport in the Everest foothills.
The approach to Everest Base Camp routes north up the Khumbu Valley through Namche Bazaar, Periche and Gorak Shep (see map below).
The route to Mera heads East from Lukla over the intermediate ranges to the Hinku Valley and Makalu Barun National Park. From Mera, Island Peak will be reached by trekking north up the remote Hongu Valley and crossing the Amphu Labtsa knife-edge pass to Island Peka base camp. Return to Lukla will be via Dingboche and down the Khumbu trail.
Baruntse (not indicated on maps - but close to and south est of Island Peak) will reached using the Mera Peak route .
Manaslu is near Annapurna to the west of Kathmandu, and will be reached via helicopter or road and trekking from Aragat.
Trek to Everest Base Camp