782 km = 7.82 x 1014 nanometers = 782,000,000,000,000 nm
0.608 km
1.2 km is equal to 1,200 meters.
1000 km is equal to 621.38818 miles
1550 km is equal to =1550X0.6213711= 963.12 miles. by juusto
Answer: 2 mi. = 3.21868 km
0.0030km converts to 3,000,000,000 (3 billion) nanometers.
54km is equal to 5,400,000cm
30km is equal to 3,000,000cm
1000
.0008
4.3 mm is equal to 0.0000043 km
It is 0.115 km.