Subway’s “Footlong” sandwiches are made on bread that is approximately 12 inches long, but it is important to note that the length of the bread can vary slightly from sandwich to sandwich. The term “Footlong” is a marketing term used by Subway to refer to sandwiches made on bread that is approximately a foot long, and it is not intended to be an exact measurement. In fact, some media reports have indicated that the length of Subway’s Footlong sandwiches may vary and may not always be exactly 12 inches.