Longford is an inland county in the province of Leinster. It is bounded on the North by counties Leitrim and Cavan, on the east and south by Westmeath and on the west byCounty Roscommon. It's length from a point in the south west of Lough Rea to a point in the north-east is 30.5 miles, and its greatest width from the River Inny to Drumshanbo Lake is 18 miles.