| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| ഓക്ലൻഡ് | city | New Zealand | -36.87 | 174.77 | 85 | 204441 | |
| ഓട്ടവ | city | Ontario | Canada | 45.42 | -75.70 | 246 | 210946 |
| ഓസ്റ്റിൻ | city | Texas | United States | 30.27 | -97.74 | 830 | |
| ഓസ്ലൊ | city | Oslo | Norway | 59.92 | 10.75 | 42 | 81893 |
| ഓൾഡ് ഗോവ | city | Goa | India | 15.44 | 73.88 | 32 | 117177 |