YOU SAID:

Excuse me, good sir, but could you inform me as to the location of the nearest subway?

INTO JAPANESE

すみませんが、最寄りの地下鉄の場所を教えていただけませんか？

BACK INTO ENGLISH

Excuse me, but could you tell me where the nearest subway is?

INTO JAPANESE

すみませんが、最寄りの地下鉄はどこですか？

BACK INTO ENGLISH

Excuse me, where is the nearest subway?

INTO JAPANESE

すみません、最寄りの地下鉄はどこですか？

BACK INTO ENGLISH

Excuse me, where is the nearest subway?