<PAGE>
EXHIBIT 23.4
CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the incorporation by reference in the prospectus
constituting part of this Registration Statement on Form S-3 of Metromedia Fiber
Network, Inc., of our reports dated June 15, 1999 relating to the financial
statements of the Palo Alto Internet Exchange (a business of Compaq Computer
Corporation), which appear in the Registration Statement on Form S-4
(Registration No. 333-49684) of Metromedia Fiber Network, Inc. filed with the
Securities and Exchange Commission on November 9, 2000. We also consent to the
reference to us under the heading "Experts" in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
Boston, Massachusetts
January 10, 2001
