Omagh is the county town of County Tyrone, Northern Ireland. It is situated where the rivers Drumragh and Camowen meet to form the …Omagh is the county town of County Tyrone, Northern Ireland. It is situated where the rivers Drumragh and Camowen meet to form the Strule. Northern Ireland's capital city, Belfast, is 68 miles to the east of Omagh, and Derry is 34 miles to the north.