1 mile = 1 609.344 metres
therefore
6458 metres = 4.0128 miles
6k is 6000 meters and there are about 1600 meters in one mile. 6000 divided by 1600 would be 3.75 miles or 3 miles and 1200 meters.
250 meters = 0.155 miles.
3 miles = 4,828 meters
1000 meters = 0.6214 miles.
50 meters=0.0310685596 miles
1375 meters = 0.854385389 miles.
1.4 miles = 2,253.08 meters
2.0 miles = 3,218.7 meters
0.03 miles = 48.3 meters.
16 meters is 0.00994194 miles.
5,100 meters = 3.16899308 miles
11 miles = 1609.344 meters