The NAD 27 was based on the Clarke Ellipsoid of 1866 and the NAD 83 is based on the Geodetic Reference System of 1980. The NAD 27 was computed with a single survey point, MEADES RANCH in Kansas, as the datum point, while the NAD 83 was computed as a geocentric reference system with no datum point.
Driving distance from Morristown, TN to Nashville, TN. The total driving distance from Morristown, TN to Nashville, TN is 227 miles or 365 kilometers. Your trip begins in Morristown, Tennessee. It ends in Nashville, Tennessee.
From my house, inside the city limits of  Memphis, it is 201 miles to the city limits of Nashvâ¦ille. From the  far west side of Memphis, it's 20 or 25 miles further.    It is 212.23 miles according to MapQuest and has an estimated  driving time of 3 hours and 16 minutes.