Answer:
you didnt put the choices but a possible answer could be canada or Australia or something like that idk
The ice melts and it changes into a liquid state. Plus, the water droplets on the glass evaporated too.
You would take a ruler and measure the amount of centimeter or inches between the two places. Then measure the scale. If the scale was 50 miles and 1 inch and the two points were 2 inches apart. The places would be 100 miles apart because 50*2=100