4632 metres is approximately 2.88 miles. (Answer accurate to 1.dp)
1 mg = 1e-3 g, so 4632 mg = 4.632 g.
3 miles = 4,828 meters
1000 meters = 0.6214 miles.
1.4 miles = 2,253.08 meters
250 meters = 0.155 miles.
2.0 miles = 3,218.7 meters
50 meters=0.0310685596 miles
16 meters is 0.00994194 miles.
1375 meters = 0.854385389 miles.
11 miles = 1609.344 meters
150 meters = 0.0932056788 miles.
4632 hours