This idea randomly came into my head today. The letters are outlined in red so you can see them better. I also wrote out the chords for each one.
#1 A. Coordinates: 32°41'35"N 117°13'04"W
1point
#2 B. Coordinates: 32°40'11"N 117°09'57"W
1point
#3 C. Coordinates: 1°16'08"N 50°08'57"W (Photo Flipped)
1point
#4 D. Coordinates: 14°06'33"N 79°19'47"E
1point
#5 F. Coordinates: 18°03'58"N 120°47'37"E
1point
#6 G. Coordinates: 2°38'39"N 103°36'40"E
1point
#7 H. Coordinates: 39°06'25"N 141°42'34"E
1point
#8 I. Coordinates: 2°06'35"S 126°06'56"E
1point
#9 J. Coordinates: 56°13'33"N 130°00'21"W
1point
#10 K. Coordinates: 60°57'58"N 7°41'11"E
1point
#11 M. Coordinates: 50°53'46"N 75°59'05"W
1point
#12 N. Coordinates: 53°13'26"N 4°11'58"W
1point
#13 O. Coordinates: 51°48'38"S 59°08'28"W
1point
#14 P. Coordinates: 53°13'27"N 4°11'22"W
1point
#15 Q. Coordinates: 28°24'25"N 16°24'53"W
1point
#16 R. Coordinates: 11°19'03"N 50°24'34"E
1point
#17 V. Coordinates: 49°08'59"N 83°58'55"E
1point
#18 W. Coordinates: 59°35'47"N 135°48'57"W
1point
#19 X. Coordinates: 34°43'57"N 86°35'43"W
1point
#20 Y. Coordinates: 20°51'43"N 76°14'21"W
1point