It is 70.66 miles according to MapQuest.
87.45 kilometres (54.34 miles)
Almost due south from Denver, there are 3 different routes you can take from Santa Fe, NM. Stay on I-25N and it is just 395 miles. Take US-160E and I-25N and it is 360 miles. Go all the way on...
It is 269.81 miles according to MapQuest.
458.52 kilometres (284.91 miles)