Matches in DBpedia 2014 for { ?s <http://dbpedia.org/property/sourceLongM> ?o. }
- Mayurakshi_River sourceLongM "42".
- Mașa-Bașa_River sourceLongM "21".
- McCloud_River sourceLongM "46".
- McKale_River sourceLongM "57".
- McKenzie_River_(Oregon) sourceLongM "59".
- McKinley_River sourceLongM "25".
- McLennan_River sourceLongM "33".
- McNeil_River sourceLongM "40".
- McWay_Creek sourceLongM "39".
- Meade_River sourceLongM "42".
- Medeș_River sourceLongM "18".
- Media_Aqua_Creek sourceLongM "56".
- Medicine_Creek sourceLongM "53".
- Medina_River sourceLongM "15".
- Meeks_Creek sourceLongM "8".
- Meiele_River sourceLongM "49".
- Mekong sourceLongM "41.7".
- Meleiuș_River sourceLongM "5".
- Mells_River sourceLongM "14".
- Melozitna_River sourceLongM "46".
- Meramec_River sourceLongM "19".
- Merced_River sourceLongM "20".
- Merișor_River_(Birchii) sourceLongM "22".
- Merrill_Creek_(Ontario) sourceLongM "23".
- Merrimack_River sourceLongM "38".
- Merta sourceLongM "10".
- Meshik_River sourceLongM "3".
- Mesteacănu_River_(Sadu) sourceLongM "9".
- Mesteacănu_River_(Strâmbu-Băiuț) sourceLongM "56".
- Methow_River sourceLongM "44".
- Meuse_(river) sourceLongM "37".
- Meziad_River sourceLongM "32".
- Mezărei_River sourceLongM "32".
- Miami_River_(Oregon) sourceLongM "43".
- Mica_River sourceLongM "18".
- Michipicoten_River sourceLongM "13".
- Micoiu_River sourceLongM "42".
- Middle_Fork_Eel_River sourceLongM "58".
- Middle_Fork_Feather_River sourceLongM "22".
- Middle_Fork_Flathead_River sourceLongM "3".
- Middle_Fork_John_Day_River sourceLongM "25".
- Middle_Fork_Koyukuk_River sourceLongM "44".
- Middle_Fork_River sourceLongM "4".
- Middle_Fork_Salmon_River sourceLongM "13".
- Middle_Fork_Willamette_River sourceLongM "6".
- Middle_Harbour sourceLongM "13".
- Middle_Island_Creek sourceLongM "43".
- Middle_Santiam_River sourceLongM "9".
- Midford_Brook sourceLongM "20".
- Miellätno sourceLongM "12".
- Miereghița_River sourceLongM "23".
- Mihalache_River sourceLongM "49".
- Mijlocia_River sourceLongM "41".
- Mijlociul_River sourceLongM "48".
- Milcovăț_River sourceLongM "29".
- Milk_River_(Alberta–Montana) sourceLongM "1".
- Mill_Creek_(Lake_Erie) sourceLongM "0".
- Mill_Creek_(Marion_County,_Oregon) sourceLongM "42".
- Mill_Creek_(Mono_Lake) sourceLongM "19".
- Mill_Creek_(New_York) sourceLongM "38".
- Mill_Creek_(White_Clay_Creek) sourceLongM "43".
- Mill_Creek_(western_West_Virginia) sourceLongM "28".
- Miller_Creek_(Marin_County,_California) sourceLongM "36".
- Miller_River sourceLongM "23".
- Millicoma_River sourceLongM "1".
- Milliken_Creek sourceLongM "17".
- Mimico_Creek sourceLongM "44".
- Minago_River sourceLongM "30".
- Minam_River sourceLongM "21".
- Minghet_River sourceLongM "4".
- Minho_River sourceLongM "16".
- Miniș_River_(Topa) sourceLongM "21".
- Mink_River_(Manitoba) sourceLongM "15".
- Miraș_River sourceLongM "23".
- Mirioara_River sourceLongM "45".
- Mirna_(Croatia) sourceLongM "44".
- Mispillion_River sourceLongM "30".
- Missinaibi_River sourceLongM "25".
- Mission_Creek_(Marion_County,_Oregon) sourceLongM "59".
- Mississagi_River sourceLongM "39".
- Mississippi_River sourceLongM "12".
- Missouri_River sourceLongM "27".
- Mistassibi_River sourceLongM "3".
- Mistassini_River sourceLongM "17".
- Mitsuishi_River sourceLongM "41".
- Mizieș_River sourceLongM "26".
- Mișu_River sourceLongM "54".
- Mocanca_River sourceLongM "58".
- Mociar_River_(Holod) sourceLongM "4".
- Moclips_River sourceLongM "2".
- Moe_River sourceLongM "54".
- Moei_River sourceLongM "51".
- Mogalakwena_River sourceLongM "58".
- Mogoș_River_(Ismar) sourceLongM "45".
- Mogoș_River_(Mureș) sourceLongM "29".
- Mohawk_River sourceLongM "28".
- Mohawk_River_(Oregon) sourceLongM "40".
- Moira_River sourceLongM "32".
- Moisie_River sourceLongM "33".
- Mojave_River sourceLongM "14".