| Østensjø | Oslo, Norway | 1 | 1 | 0 | 2007-04-11 | |
| Østensjøvannet | Oslo, Norway | 4 | 4 | 1 | 2010-08-14 | |
| Østerbø | Vestland, Norway | 1 | 1 | 1 | 2006-08-10 | |
| Østerbø | Vestland, Norway | 126 | 44 | 65 | 2023-08-29 | |
| Østerholtheia | Agder, Norway | 1 | 1 | 0 | 2009-05-01 | |
| Østernvannet | Akershus, Norway | 13 | 13 | 0 | 1990-08-28 | |
| Østeråa | Telemark, Norway | 2 | 2 | 0 | 2013-09-26 | |
| Østlandet | Oslo, Norway | 1 | 1 | 0 | 2007-04-19 | |
| Østmarka | Oslo, Norway | 7 | 6 | 7 | 2012-07-14 | |
| Østmarka | Oslo, Norway | 1 | 1 | 0 | 2009-04-27 | |
| Østmarka | Oslo, Norway | 1 | 1 | 1 | 2012-06-02 | |
| Østmarka | Oslo, Norway | 105 | 33 | 74 | 2019-08-22 | |
| Østmarka | Oslo, Norway | 9 | 9 | 4 | 2008-05-04 | |
| Østmarka, Ved Mønevann | Akershus, Norway | 3 | 3 | 5 | 2018-06-27 | |
| Østmarkveien 34 | Trøndelag, Norway | 1 | 1 | 0 | 2010-07-08 | |
| Østre bolærne | Vestfold, Norway | 118 | 102 | 7 | 2017-06-14 | |
| Østre Kvelde | Vestfold, Norway | 2 | 1 | 0 | 2008-04-22 | |
| Østre Saltstein, Jomfruland | Telemark, Norway | 1 | 1 | 1 | 2015-07-11 | |
| Østre solberg | Akershus, Norway | 1 | 1 | 0 | 2016-08-14 | |
| Østre Sonvatnet | Trøndelag, Norway | 2 | 2 | 0 | 2010-07-11 | |
| Østre Tuve-Steinsholtskogen | Vestfold, Norway | 3 | 3 | 1 | 2011-07-30 | |
| Østregate 31 | Innlandet, Norway | 1 | 1 | 1 | 2022-09-18 | |
| Østremneset | Rogaland, Norway | 154 | 74 | 46 | 2023-04-20 | |
| øståsen | Buskerud, Norway | 1 | 1 | 0 | 2008-04-10 | |
| Øverbratta | Innlandet, Norway | 1 | 1 | 1 | 2011-08-03 | |
| Øverdal | Nordland, Norway | 1 | 1 | 0 | 2009-05-18 | |
| Øverfossvegen | Trøndelag, Norway | 5 | 5 | 2 | 2021-06-26 | |
| Øvrabø | Rogaland, Norway | 37 | 35 | 9 | 2010-09-27 | |
| Øvre Alta | Finnmark, Norway | 1 | 1 | 0 | 2013-05-08 | |
| Øvre Brekka | Innlandet, Norway | 1 | 1 | 0 | 2007-04-30 | |
| Øvre Brenn | Innlandet, Norway | 6 | 2 | 0 | 2024-05-03 | |
| Øvre Eidfjord | Vestland, Norway | 1 | 1 | 0 | 2007-04-24 | |
| Øvre Eidfjord | Vestland, Norway | 12 | 12 | 0 | 2007-05-06 | |
| Øvre Eidfjord | Vestland, Norway | 81 | 52 | 70 | 2010-05-28 | |
| Øvre Eknes | Vestland, Norway | 3 | 3 | 1 | 2015-07-05 | |
| Øvre Elnes vei | Akershus, Norway | 1 | 1 | 0 | 2022-07-07 | |
| Øvre Eri | Vestland, Norway | 5 | 5 | 1 | 2009-07-18 | |
| Øvre Godvik | Vestland, Norway | 2 | 2 | 0 | 2018-04-22 | |
| Øvre Hellefossvei | Buskerud, Norway | 1 | 1 | 0 | 2020-04-10 | |
| Øvre Helleland | Vestland, Norway | 6 | 6 | 2 | 2012-05-20 | |
| Øvre Hoelsjø | Akershus, Norway | 1 | 1 | 0 | 1994-09-12 | |
| Øvre Holtet | Troms, Norway | 1 | 1 | 0 | 2012-06-29 | |
| øvre Jøranby | Innlandet, Norway | 1 | 1 | 0 | 2011-04-03 | |
| Øvre Langviksveien 17 | Trøndelag, Norway | 1 | 1 | 0 | 2020-05-06 | |
| Øvre Leirfoss | Trøndelag, Norway | 1 | 1 | 0 | 2010-07-15 | |
| Øvre Leirungen | Innlandet, Norway | 11 | 9 | 4 | 2017-08-13 | |
| Øvre Maudal | Rogaland, Norway | 3 | 1 | 0 | 2019-04-06 | |
| Øvre Mjelde | Vestland, Norway | 5 | 5 | 8 | 2010-05-29 | |
| Øvre Mjølsnes | Rogaland, Norway | 8 | 8 | 2 | 2009-05-30 | |
| Øvre Pasvik camping | Finnmark, Norway | 4 | 4 | 0 | 2015-08-12 | |
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