The part of the sentence 'thousands of miles apart' is correct and usable in written English. You can use it when you want to describe two people, places, or things that are far away from each other. For example, "They lived thousands of miles apart, with no way to see each other."
Clinton and Rubio are talking at once, thousands of miles apart.
There turned out to be a connection, one hitherto quite unrealized, that intimately linked places thousands of miles apart.
The two whales' feeding ranges lie thousands of miles apart, near the top and bottom of the globe.
They send films over there to save money, but you end up being thousands of miles apart from your team.
An armed conflict could take place in disparate spots thousands of miles apart, involving any number of nations and a wide variety of weapons, conventional or nuclear.
Combined with the internet, such gadgets will allow groups of people thousands of miles apart to interact in a virtual space their brains cannot distinguish from reality.
Carrying food thousands of miles, then dispersing it among tiny villages hundreds of miles apart, is hugely inefficient.
Wilmot's family drove to state agencies hundreds of miles apart before the problem was sorted out.
The two episodes were hundreds of miles apart and technically had nothing to do with each other.
Then he must arrange delivery of the magazine's 2,000-copy print run to Southeast Asian cities that are hundreds of miles apart.
In November, during attacks 48 hours apart, suicide bombers killed scores in the eastern city of Yola and Kano in the north, targets that lie hundreds of miles apart.
Being a terminologist, I care about word choice. Ludwig simply helps me pick the best words for any translation. Five stars!
Maria Pia Montoro
Terminologist and Q/A Analyst @ Translation Centre for the Bodies of the European Union