The trek from Lukla (9,200 feet) to Mount Everest Base Camp (17,500 feet) is approximately 38.5 miles (62 kilometers) one-way. To allow for extra acclimatization, sightseeing and day hiking, One World Trekking’s time-tested Everest Base Camp Lodge Trek itinerary allows for 8 days to hike up to Base Camp and this includes an acclimatization day at Namche Bazaar (11,200 feet) and one day at the village of Dingboche (14,400 feet).