If you fly from Kathmandu to the Everest Base Camp, your aerial distance is 154 kilometers. But from Lukla to EBC, we hike the entire distance. Thus, the flight from Kathmandu to Lukla covers a total distance of 138 kilometers. From Lukla to EBC, it takes about 62 kilometers to hike one way. We hike for a total of roughly 130 km, including Kala Patthar. You'd cover around 12 to 15 kilometers each day by walking for 5 to 7 hours on average.