In the double helix modle of DNA , how far is each base pair from the next base pair

In the double helix model of DNA , how far is each base pair from the next base pair

In the double helix structure of DNA, the base pairs are

In the double helix structure of DNA, the base pairs are

In the double helix model of DNA as proposed by J. D. Watson and F.H.C. Crick, each base pair is how far from the next base pair?

In double helix of DNA, there are sugar phosphate backbones with bases projected

How far is each base pair from the next one in the DNA double helix model?

1.7 m double helical DNA will have base pairs