2,220
Depending on which route you take, between 1124 and 1190 miles.
156 miles taking ROUTE 114 and ROUTE 24.
Depending on the route you take, it is between 1,302 miles and 1,334 miles.
73 miles by the coastal route.
There was not just one path of the Silk Road, as there was a Northern Route as well as a Southern Route. The Northern Route's easternmost city was Chang'an, but was later moved further east to the city of Luoyang. The Southern Route's easternmost city is unknown, as it was never recorded.
The distance of the shortest route is 164.66 miles, and the distance of the longest route is 173,36 miles.
9000 miles
2,600 miles by the fastest route
3,533 miles if a direct route
956 miles taking this route:
The AA online route planner gives a distance of 120.4 miles between the cities
30 miles taking I-66 WEST to ROUTE 267 in northern Virginia, then ROUTE 267 WEST to Ashburn.