The road measures 8.51 miles long and would take a car obeying speed limits 13 minutes to travel its length.
The A4421 is a A Road and is located in the Zone 4 Highways Region.
This is a true long-distance route, journeying through numerous towns like BICESTER, Launton, Caversfield, Stratton Audley, Fringford, Newton Morrell, and Newton Purcell.
The road connects Oxfordshire and Buckinghamshire.