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.
Tension-Type Headache. Tension-type headache is a nonspecific headache, which is not vascular or migrainous, and is not related to organic disease. The most common form of headache, it may be related to muscle tightening in the back of the neck and/or scalp.