The longest painting by an individual measured 3,444.91 m (11,302 ft 2.11 in) and was created by Gurmej Singh aka Mr. Caution, as displayed in Grand Rapids, Michigan, USA, on 14 September 2013.
It took Gurmej Singh (Mr. Caution) 38 days to create the whole painting. The attempt was sponsored by O'leary Paint and Claredon Textiles.