Sister cities are different cities in different parts of the world that partner with each other to exchange cultural and educational information. The table below shows pairs ofsister cities and their longitudinal coordinates, the number of degrees the city is from the Prime Meridian. Which pair of cities has the greatest separation in the number of longitudinal coordinates?

A. O St. Louis to Bogor
B. Houston to Perth
C. Cincinnati to Munich
D. Pittsfield to Chung Ju

Explain your answer using math language and vocabulary.