How to Read a Nautical Chart: 15 Steps (with Pictures) - wikiHow
Reeds Marine Distance Tables - Compiled by: R.W. Caney & J.E. Reynolds, Revised by: Miranda Delmar-Morgan [2016, PDF] :: Морской трекер
Great Circle Sailing calculator - loxodrome (rhumb line)
Distance Calculators
Sea-web Routes and Distance Tables | IHS Markit
Reeds Marine Distance Tables: 59,000 distances and 500 ports around the world (Reeds Professional): Reynolds, J.E., Caney, R.W.: 9781408146460: Amazon.com: Books
FM 55-501 CHAPTER 5
Distance Calculators
Sailing distances between Asia and Europe. | Download Table