Attempts to resolve the Quandary:
Me: Bond Street
Father Macaneny: "Goldhawk Road"
Aunt Daphne: "Green Park"
Aunt Maude: "too Disneyfied, Marble Arch"
Me: "ooh, turn turtle, Mansion House"
Father Macaneny: "that's a prodigious leap in the dark, begorrah, Mavourneen, Bakerloo Extension, Elephant an Castle"
Aunt Daphne: "Goodge Street"
Aunt Maude: "I see you're playing the Manhattan Project, dear heart, South Kensington"
Me: Tooting Bec
Father Macaneny: an there wis me about to shout Balham, right, now, Victoria
Aunmt Daphne: East Finchley
Aunt Maude: "don't be reckless, sweetheart, Wood Green"
Me: Baker Street
Father Macaneny: Monument - oh how I love a Monument!"
Aunt Daphne: "are we playing the Ducklands Light Railway Variation?*
Me: "go for it"
Aunt Daphne: "Watford"
Aunt Maude: Chorleywood
Me, isn't that Running Close? Hanger Lane
Father Macaneny: Bugger me Backwards, Bromley-by-Bow
Aunt Maude: "Mudchute"
Me: "too much flerovium there – Mornington Crescent!"