Air distance from Guam, USA to Asmara, Eritrea is 7005.1 Miles (11273.5 Kilometers / 6083.2 Nautical Miles).
Flight duration time from Guam to Asmara is 14 hrs, 32 mins. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.