What is the difference between a VOR-only route and a VOR/DME route?

What is the difference between a VOR-only route and a VOR/DME route?

• A. VOR/DME routes require no VORs at all.
• B. VOR-only routes rely on VOR radials; VOR/DME routes use DME distances for leg measurements.
• C. There is no difference; both use VOR radials for leg measurements.
• D. VOR-only routes require DME distances for leg measurements; VOR/DME routes rely on VOR radials.

Answer: (B)