12.7 miles
Actually, 20Km = 12.4274238 miles
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30 miles = 48.28032 kilometers
1.609344 kilometers equals one mile, so to find how many kilometers 30 miles is, you multiply 30 by 1.609344 to get 48.28032, which is 48.28032 kilometers, so 30 miles equals 48.28032 kilometers. The formula to convert miles to km 30 mi* 63360 in 1 mi * 2.54 cm 1 in * 1 km 100000 cm = 48.28032 km
30 miles is approximately 48.28 kilometers.
Answer: 30 mi. = 48.2803 km
30 miles is approximately 48.28 kilometers.