| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oas | city | Albay | Philippines | 13.26 | 123.50 | 85 | 43249 |
| Oas | city | Hardap | Namibia | -24.00 | 17.48 | 4189 | 149 |
| Oas | city | Omaheke | Namibia | -22.60 | 19.40 | 4570 | 149 |
| Oas | city | //Karas | Namibia | -27.48 | 19.15 | 4189 | 0 |
| Oasa | city | Hiroshima | Japan | 34.77 | 132.47 | 1669 | 4357 |
| Oasa | city | Alba | Romania | 46.50 | 22.98 | 4199 | 3164 |
| Oasacho-bando | city | Tokushima | Japan | 34.16 | 134.51 | 203 | 93136 |
| Oasaiwala | city | Punjab | Pakistan | 30.94 | 71.04 | 830 | 32543 |
| Oasay | city | Quezon | Philippines | 13.26 | 122.52 | 111 | 8879 |
| Oasbat Oulad Ahmed | city | Taza-Al Hoceima-Taounate | Morocco | 34.26 | -4.37 | 1732 | 8425 |
| Oasbat at Torch | city | Taza-Al Hoceima-Taounate | Morocco | 34.26 | -3.31 | 1095 | 28331 |
| Oasbo | city | Punjab | Pakistan | 32.58 | 74.02 | 830 | 130126 |
| Oase | city | Khomas | Namibia | -23.47 | 15.78 | 2713 | 0 |
| Oase | city | //Karas | Namibia | -27.18 | 17.82 | 2509 | 0 |
| Oase Siwa | city | Matruh | Egypt | 29.20 | 25.52 | -1689 | 139 |
| Oasel | city | Niedersachsen | Germany | 52.19 | 9.97 | 288 | 70827 |
| Oasele | city | Galati | Romania | 45.72 | 27.83 | 396 | 5908 |
| Oashi | city | Fukushima | Japan | 37.67 | 140.87 | 830 | 7725 |
| Oashi | city | Gunma | Japan | 36.86 | 139.06 | 2509 | 1192 |
| Oashi | city | Saitama | Japan | 36.10 | 139.45 | 55 | 134978 |
| Oashima | city | Fukui | Japan | 35.53 | 135.64 | 39 | 3813 |
| Oashizawa | city | Yamagata | Japan | 38.85 | 140.15 | 830 | 3392 |
| Oasi | city | Kwanza Sul | Angola | -11.02 | 14.93 | 4432 | 1937 |
| Oasi | city | Khulna | Bangladesh | 23.77 | 89.22 | 72 | 157600 |
| Oasi | city | Debubawi K'eyih Bahri | Eritrea | 13.27 | 42.05 | 1669 | 745 |
| Oasi | city | Peloponnisos | Greece | 38.00 | 22.95 | 0 | 6696 |
| Oasi da Peppe | airport | 40.45 | 15.00 | 16 | 0 | ||
| Oasi dei Due Mari | city | Sardegna | Italy | 39.13 | 9.51 | 127 | 2694 |
| Oasi di Geddàim | city | Libya | 32.78 | 12.78 | 82 | 31829 | |
| Oasi di Lmàia | city | Libya | 32.80 | 12.88 | 26 | 25646 | |
| Oasirka | city | Dahuk | Iraq | 37.22 | 43.85 | 5029 | 3092 |
| Oasis | city | Misiones | Argentina | -26.96 | -55.22 | 305 | 5506 |
| Oasis | city | Sao Paulo | Brazil | -21.42 | -51.52 | 1059 | 15425 |
| Oasis | city | Piaui | Brazil | -6.30 | -41.30 | 1190 | 0 |
| Oasis | city | Magdalena | Colombia | 9.36 | -74.22 | 164 | 908 |
| Oasis | city | Antioquia | Colombia | 6.28 | -75.57 | 5173 | 688236 |
| Oasis | city | Guantanamo | Cuba | 20.36 | -75.28 | 1669 | 8773 |
| Oasis | city | Sucumbios | Ecuador | -0.46 | -76.11 | 830 | 60 |
| Oasis | city | Peloponnisos | Greece | 38.00 | 22.95 | 0 | 6696 |
| Oasis | city | Grand Casablanca | Morocco | 33.56 | -7.63 | 78 | 907856 |
| Oasis | city | Chihuahua | Mexico | 30.63 | -106.43 | 4189 | 2278 |
| Oasis | city | Zacatecas | Mexico | 23.05 | -102.71 | 6938 | 5944 |
| Oasis | city | Puebla | Mexico | 19.04 | -98.23 | 6988 | 143912 |
| Oasis | city | Western Cape | South Africa | -32.68 | 23.10 | 2696 | 0 |
| Oasis | city | Western Cape | South Africa | -32.53 | 22.36 | 2509 | 0 |
| Oasis | city | KwaZulu-Natal | South Africa | -27.53 | 31.72 | 1099 | 545 |
| Oasis | city | Mpumalanga | South Africa | -25.75 | 31.90 | 846 | 10224 |
| Oasis | city | Anzoategui | Venezuela | 8.90 | -64.32 | 990 | 4671 |
| Oasis | city | California | United States | 33.47 | -116.10 | -1689 | |
| Oasis | city | Georgia | United States | 34.92 | -84.48 | 1886 | |
| Oasis | city | Iowa | United States | 41.71 | -91.39 | 839 | |
| Oasis | city | Louisiana | United States | 31.41 | -92.71 | 104 | |
| Oasis | city | Missouri | United States | 39.08 | -90.75 | 830 | |
| Oasis | city | Nevada | United States | 41.03 | -114.49 | 5869 | |
| Oasis | city | New Mexico | United States | 32.92 | -107.32 | 4202 | |
| Oasis | city | Utah | United States | 39.29 | -112.63 | 5029 | |
| Oasis | city | California | United States | 38.98 | -123.00 | 2509 | |
| Oasis (La Marina) | city | Comunitat Valenciana | Spain | 38.15 | -0.64 | 19 | 28481 |
| Oasis (historical) | city | Missouri | United States | 36.54 | -93.30 | 912 | |
| Oasis Farm | city | Uasin Gishu | Kenya | 0.47 | 35.30 | 7549 | 74682 |
| Oasis Gardens | city | Puerto Rico | United States | 18.38 | -66.10 | 187 | |
| Oasis Graal Heliport | airport | -22.80 | -42.46 | 256 | 0 | ||
| Oasis Junction Mobile Home Park | city | Arizona | United States | 33.42 | -111.57 | 1679 | |
| Oasis Mobile Home Park | city | California | United States | 33.79 | -117.92 | 98 | |
| Oasis Mobile Home Park | city | Illinois | United States | 42.01 | -87.94 | 830 | |
| Oasis Mobile Home Park | city | Missouri | United States | 38.80 | -94.53 | 997 | |
| Oasis Número Tres | city | Yucatan | Mexico | 21.29 | -87.91 | 45 | 745 |
| Oasis Ranch A | city | Matabeleland South | Zimbabwe | -20.21 | 29.48 | 4189 | 1341 |
| Oasis Trailer Park | city | Illinois | United States | 40.50 | -89.01 | 830 | |
| Oasis Trailer Park | city | South Carolina | United States | 34.89 | -81.94 | 830 | |
| Oasis de Itzicuaro | city | Michoacan de Ocampo | Mexico | 19.58 | -102.46 | 4517 | 34559 |
| Oasis de Lesseps | city | Gabes | Tunisia | 34.02 | 10.03 | 22 | 30298 |
| Oassara | city | Rondonia | Brazil | -13.22 | -62.10 | 830 | 0 |
| Oassenfouegue | city | Nord | Burkina Faso | 13.45 | -2.53 | 1053 | 11083 |
| Oassennfouégué | city | Nord | Burkina Faso | 13.45 | -2.53 | 1053 | 11083 |
| Oastniyeki | city | Ventspils Novads | Latvia | 57.25 | 21.42 | 0 | 246 |
| Oasu | city | Cluj | Romania | 46.70 | 24.05 | 1669 | 5159 |
| Oasumi | city | Yamanashi | Japan | 35.48 | 138.82 | 2706 | 51564 |