If you say that someone does something or something happens throughout or across the length and breadth of a place, you are emphasizing that it happens everywhere in that place. The group built their reputation by playing across the length and breadth of North America.
What does the breadth of something mean?
1 : distance from side to side : width the height, breadth, and depth of each piece of furniture. 2 : something of full width begin with a breadth of silk. 3a : comprehensive quality : scope the breadth of his learning.
What is the total length and breadth of India?
India measures 3,214 km (1,997 mi) from north to south and 2,933 km (1,822 mi) from east to west. It has a land frontier of 15,200 km (9,445 mi) and a coastline of 7,516.6 km (4,671 mi).