| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Riau | city | Kepulauan Bangka Belitung | Indonesia | -1.74 | 105.87 | 229 | 4195 |
| Riau | city | Kepulauan Riau | Indonesia | 0.78 | 104.55 | 3 | 1392 |
| Riau | city | Warrap | South Sudan | 8.89 | 28.41 | 1669 | 6258 |
| Riaua | city | Kwanza Sul | Angola | -9.91 | 14.85 | 2509 | 1937 |
| Riaubai | city | Radviliskis | Lithuania | 55.84 | 23.69 | 311 | 1475 |
| Riaucourt | city | Champagne-Ardenne | France | 48.18 | 5.15 | 964 | 7129 |
| Riaujonc | city | Centre-Val de Loire | France | 46.74 | 2.28 | 830 | 1063 |
| Riaume | city | Limousin | France | 45.10 | 1.56 | 1092 | 23242 |
| Riauptiangan | city | Lampung | Indonesia | -5.03 | 104.90 | 360 | 35669 |