The R691 road is a regional road in Ireland which runs west-east from the centre of Cashel in County Tipperary to the N76 near Callan in County Kilkenny. The route is long.
thumb|290px|right|R691 north of Dualla with Irish-language Yield sign on a connecting local road
See also
- Roads in Ireland
- National primary road
- National secondary road
References
- Roads Act 1993 (Classification of Regional Roads) Order 2006 – Department of Transport