5 meters = 0.005 kilometers
45 kilometers = 45,000 meters
Your question does not make sense. That is like saying, how many miles are equal to five miles? Well obviously, the answer is five miles...
423,000 kilometers is equal to 423,000,000 meters
49 kilometers = 49,000 meters
1.5 kilometers = 1,500 meters
145,000 kilometers = 145,000,000 meters
580 kilometers = 580,000 meters
2 kilometers = 2,000 meters
7 meters = 0.007 kilometers
24 kilometers = 24,000 meters
182 kilometers = 182,000 meters
190 kilometers = 190,000 meters