Display distance to mission objective as a real distance #90715

Job	Run time
skip-duplicates-data	7s
matrix-variables	1s
skip-duplicates-code	4s
Basic Build and Test (Clang 10, Ubuntu, Curses)	40m 36s
Clang 14, macOS 12, Tiles, Sound, x64 and arm64 Universal Binary	1h 17m 53s
GCC 9, Curses, LTO	55m 51s
Clang 12, Ubuntu, Tiles, ASan	2h 7m 19s
GCC 11, Ubuntu, Curses, ASan	2h 18m 22s
GCC 12, Ubuntu cross-compile to MinGW-Win64, Tiles, Sound	1h 12m 26s
GCC 9, Ubuntu, Tiles, Sound, CMake	21m 34s
emscripten / Build	2h 23m 49s
	11h 18m 2s

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