About 360 kilometres, which is about 224 miles. During its course it flows through two major lakes and it has many tributaries. The official starting point that it is measured from is the Shannon Pot. There are some tributaries of it, which if their source were taken as a starting point would make it longer.
The Shannon is the longest river in the country, starting in the southern part of Ulster in county Cavan, flowing south through the midlands, through two large lakes called Lough Ree and Lough Derg, and turning west through the city of Limerick, into the Shannon Estuary and into the Atlantic Ocean.
The last part of the Shannon goes into the Shannon Estuary and into the Atlantic Ocean. The standard length given for the rive is 386 km or 240 miles. It is the longest river in Ireland.
The River Shannon is 240 miles long,
The River Shannon is 240 miles long,
The longest river in the republic of Ireland is River Shannon at 386 km in length.
1. The River Shannon, 386 km.2. The River Barrow, 200 km3. The River Suir, 184 km4. Munster Blackwater, 168 km5. The River Nore, 145 kmits the river shannonShannon
The River Shannon is, at 386 km (240 miles), the longest river in Ireland if you want more detail cheak this link
The longest river in Ireland is the river Shannon whose source is Shannon Pot, in County Cavan, and which enters the Atlantic Ocean on Ireland's western coast between counties Clare and Limerick after a journey of 386 km (240 miles). It is the longest river in the British Isles.
1. The River Shannon - 386 km. 2. The River Barrow - 200 km 3. The River Suir - 184 km 4. Munster Blackwater - 168 km 5. The River Nore - 145 km 6. The River Bann - 129 km
Englands longest river is the Severn There is a difference between the British Isles and Great Britain or Britain. The British Isles include Ireland, which is a separate country to the United Kingdom of Great Britain and Northern Ireland. The longest river in the British Isles, at 224 miles, is the River Shannon in Ireland. the longest river in Britain is the Severn and is 220 miles( 354 km) . it rises at an altitude of 2001 feet height , on Plynlimon , ceredigion , Powys .
The longest river in the United Kingdom is the River Severn, which is 354 km (220 miles) long. It runs through England and Wales.The Longest river in the British Isles is the River Shannon in Ireland at 386 km (240 miles).
River, Ireland. The country's longest river, it rises in northwestern County Cavan and flows for about 230 mi (370 km) to enter the Atlantic Ocean below Limerick.
The main river in Ireland is the River Shannon, 386 km (240 mi), the longest river in both Ireland and the British Isles, which separates the boggy midlands of Ireland from the West of Ireland. The river develops into three lakes along its course, Lough Allen, Lough Ree and Lough Derg. Of these, Lough Derg is the biggest. The River Shannon enters the Atlantic Ocean after Limerak City at the Shannon Estuary. Other major rivers include the River Liffey, River Lee, River Swilly, River Blackwater, River Nore, River Suir, River Barrow and River Boyne.
2558 MI/ 4117 KM
The driving distance between Roscommon, Ireland and Shannon, Ireland is about 146 km (90.6 miles) - approximately 2 hours and 15 minutes driving time.
61.1 km or 1 hr 2 min driving