YOU SAID:

I was traveling at 9 furlongs per fortnight

INTO JAPANESE

2 週間ごとの 9 ハロンで旅していた

BACK INTO ENGLISH

was traveling in the 9 furlong every 2 weeks

INTO JAPANESE

2 週間毎 9 ハロンで旅していた

BACK INTO ENGLISH

in the 9 furlong was traveling with bi-weekly

INTO JAPANESE

9 ハロンで隔週で旅していた

BACK INTO ENGLISH

9 was traveling with bi-weekly in ha long

INTO JAPANESE

隔週で旅していた 9 でハロン

BACK INTO ENGLISH

9 was traveling with bi-weekly in ha long