I presume that there are byroads by which you can avoid passing through any towns on your way to Sluys.
"By Pike and Dyke: A Tale of the Rise of the Dutch Republic"
G.A. Henty
On byroads, and generally throughout the country north of York and west of Exeter, goods were carried by long trains of packhorses.
"The History of England from the Accession of James II. Volume 1 (of 5)"
Thomas Babington Macaulay
Sez I, "Let Uncle Sam and you go out, as I have, in the country byroads in Jonesville, and Loontown, and Zoar, and you'll both gin in that I'm a-tellin' the truth."
"Samantha at the World's Fair"
Marietta Holley