Dudley is bounded on the northeast by Oxford, on the north by Charlton, on the west by Southbridge, on the south by Woodstock and Thompson, Connecticut, and on the east by Webster, with which it traditionally had the closest cultural and political relations.
Dudley este mărginit la nord-est de Oxford, la nord de Charlton, la vest de Southbridge, la sud de Woodstock și Thompson, Connecticut, și la est de Webster, cu care a avut în mod tradițional cele mai apropiate relații culturale și politice.