M
- (Niikappu-gun) Meiwa
- (Saru-gun) Mihara
- (Saru-gun) Midorimachi
- (Saru-gun) Memu
- (Yūfutsu-gun) Miyato
- (Yūfutsu-gun) Mobetsu
- (Tomakomai Shi) Masagochō
- (Yūbari-gun) Mikawa
- (Yūbari-shi) Momijiyama
- (Yūbari-shi) Mayachi
- (Eniwa-shi) Minamishimamatsu
- (Yūbari-gun) Minaminaganuma
- (Mashike-gun) Mashike
- (Shibetsu Shi) Minamishibetsuchō
- (Abashiri-gun) Motomachi
- (Monbetsu Shi) Mombetsu
- (Wakkanai Shi) Makubetsu
- Muroran