There are 3 places named Onomachi in Japan.
All places in the world called "Onomachi".
Ono (18)
Ota (17)
Hongo (16)
Wada (15)
Minato (15)
Ohama (14)
Tomari (14)
Kawasaki (14)
Hama (14)
Nakamura (13)
Oshima (13)
Hara (13)
Nagahama (13)
Sakai (12)
Yoshida (12)
Okubo (12)
Seto (11)
Okawa (11)
Kanayama (11)
Hirose (11)
Kawaguchi (11)
Funakoshi (11)
Shinden (11)
Otani (10)
Shirahama (10)
Ichiba (10)
Ikeda (10)
Kamo (10)
Shimizu (10)
Yamada (10)