Place
- Löwenhagen, Germany1
- Lønborg, Denmark1
- Mainvault, Belgium1
- Majbølle Ø, Denmark1
- Marienborg, Denmark1
- Mark Schmelz, Germany1
- Matten bei Interlaken, Switzerland1
- Maumee River (Ind.ind and Ohio)1
- McMahon Creek1
- Memelberg, Germany1
- Mexico1
- Mirecourt, France1
- Mohican River1
- Momignies, Belgium1
- Monte Pancali, Italy1
- Montluçon, France1
- Montreuil-sur-Brêche, France1
- Mosquito Creek1
- Moxahala Creek1
- Muddy Creek1