https://www.theguardian.com/world/2024/nov/16/russian-spy-sh...
The spy ship is alleged to be able to go 15 knots which means it could make the distance in 2.5 days.
https://ukdefencejournal.org.uk/russian-spy-ship-present-off...
https://www.theguardian.com/world/2024/nov/16/russian-spy-sh...