Distance Direction; USA - California - San Francisco: Tue 4:09 am---USA - California - Daly City: Tue 4:09 am: 9 km: 6 miles: 5 nm: SSW: USA - California - Oakland: Tue 4:09 am: 13 km: 8 miles: 7 nm: ENE: USA - California - Berkeley: Tue 4:09 am: 16 km: 10 miles: 9 nm: NE: USA - California - San Rafael: Tue 4:09 am: 24 km: 15 miles: 13 nm: NNW: USA - California - Hayward: Tue 4:09 am: 32 km: 20 miles: 17 nm: ESE
Headaches in the back of the head may be caused by a variety of ailments and injuries. Chronic headaches in the back of the head -- also known as occipital headaches -- are often variants of tension-type headaches or migraines. New-onset occipital headaches are a more urgent concern. Possible causes include blood vessel abnormalities, nerve disorders and serious traumatic injuries.
There are three main causes for primary headaches: 1  Migraine - Migraine headaches can be caused by reduced blood flow to various areas of the cerebral cortex. Symptoms of migraines include sensitivity to light and noise, nausea, vomiting and intense throbbing pain that is usually on one side of the head.