How many km is 500 AU?
500 AU = 74,798,935,350 km
It is 74,798,935,350 km, so saying 74,798,935,350 km is fine — rounding is within 0.5%.
And how many AU is 500 km?
500 km = 0 AU
Formula: km = AU × 149,597,870.7
AU to km around this value
50 AU7,479,893,535km
100 AU14,959,787,070km
150 AU22,439,680,605km
200 AU29,919,574,140km
250 AU37,399,467,675km
300 AU44,879,361,210km
350 AU52,359,254,745km
400 AU59,839,148,280km
450 AU67,319,041,815km
500 AU74,798,935,350km
550 AU82,278,828,885km
600 AU89,758,722,420km
650 AU97,238,615,955km
700 AU104,718,509,490km
750 AU112,198,403,025km
800 AU119,678,296,560km
850 AU127,158,190,095km
900 AU134,638,083,630km
950 AU142,117,977,165km
1,000 AU149,597,870,700km