Directions:- Study the following information carefully to answer the question given below.
All the roads of a city are either perpendicular or parallel to one another. The roads are all straight. Roads A, B, C, D and E are parallel to one another. Roads G, H, I, J, K, L and M are parallel to one another. Road A is 1 km East of road B. Road B is 12 km West of Road C. Road D is 1 km West of road E. Road G is 12 km South of road H. Road I is 1 km North of road J. Road K is 12 km North of road L. Road K is 1 km South of road M.
If road E is between B and C, then distance between A and D is _____.