| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ola-Gboda | city | Equateur | Congo (Dem. Republic of The)-(Zaire) | 3.25 | 20.26 | 2011 | 5937 |
| Olahi | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -0.80 | 23.60 | 1669 | 298 |
| Olakunda | city | Kasai Oriental | Congo (Dem. Republic of The)-(Zaire) | -2.38 | 23.67 | 1958 | 298 |
| Olambo | city | Kasai Oriental | Congo (Dem. Republic of The)-(Zaire) | -4.71 | 24.17 | 2030 | 1192 |
| Olanda | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -2.43 | 22.95 | 1669 | 298 |
| Olandji | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -3.03 | 23.15 | 1991 | 4172 |
| Olangalanga | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -1.78 | 19.33 | 1230 | 1341 |
| Olangalonga | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -1.78 | 19.33 | 1230 | 1341 |
| Olcha | city | Nord-Kivu | Congo (Dem. Republic of The)-(Zaire) | 0.74 | 29.65 | 3349 | 16447 |
| Old Kasindi | city | Nord-Kivu | Congo (Dem. Republic of The)-(Zaire) | -0.04 | 29.71 | 3444 | 15905 |
| Old Town | city | Kinshasa | Congo (Dem. Republic of The)-(Zaire) | -4.33 | 15.26 | 830 | 991820 |
| Oleke | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -2.60 | 25.27 | 1860 | 1043 |
| Oleko | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -4.73 | 25.23 | 1998 | 149 |
| Oleko | city | Kasai Oriental | Congo (Dem. Republic of The)-(Zaire) | -3.93 | 23.36 | 2007 | 4172 |
| Oleko | city | Kasai Oriental | Congo (Dem. Republic of The)-(Zaire) | -3.44 | 23.98 | 2014 | 1490 |
| Oleko-Kusu | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -4.73 | 25.23 | 1998 | 149 |
| Olela | city | Kasai Oriental | Congo (Dem. Republic of The)-(Zaire) | -4.49 | 24.52 | 1994 | 1192 |
| Olema | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -0.80 | 25.90 | 1856 | 298 |
| Olema | city | Nord-Kivu | Congo (Dem. Republic of The)-(Zaire) | -1.26 | 27.67 | 1909 | 1192 |
| Olemanu | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -2.58 | 24.23 | 1830 | 1280 |
| Olemanu Okope | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -2.58 | 24.23 | 1830 | 1280 |
| Olemba | city | Maniema | Congo (Dem. Republic of The)-(Zaire) | -4.08 | 25.91 | 1788 | 149 |
| Olemba | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -3.12 | 24.68 | 2001 | 1490 |
| Olemba-Pene-Kahoya | city | Maniema | Congo (Dem. Republic of The)-(Zaire) | -4.08 | 25.91 | 1788 | 149 |
| Olembia | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -3.87 | 23.82 | 2050 | 4172 |
| Olendi | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | 1.02 | 24.47 | 1669 | 2682 |
| Olenga | city | Congo (Dem. Republic of The)-(Zaire) | -4.11 | 19.12 | 1669 | 4470 | |
| Olenga | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -4.23 | 23.10 | 1669 | 894 |
| Olenga | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -3.93 | 22.77 | 1948 | 894 |
| Olenga | city | Kasai Oriental | Congo (Dem. Republic of The)-(Zaire) | -2.50 | 23.30 | 1824 | 298 |
| Olenge | city | Congo (Dem. Republic of The)-(Zaire) | -4.11 | 19.12 | 1669 | 4470 | |
| Oli | city | Congo (Dem. Republic of The)-(Zaire) | 3.11 | 30.57 | 4189 | 12814 | |
| Olife | city | Congo (Dem. Republic of The)-(Zaire) | -0.28 | 24.21 | 1669 | 298 | |
| Olimba | city | Maniema | Congo (Dem. Republic of The)-(Zaire) | -4.39 | 27.03 | 2509 | 2369 |
| Olimungo | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | 0.62 | 27.62 | 1998 | 149 |
| Oliokwo | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | 0.83 | 27.82 | 2509 | 149 |
| Olo | city | Congo (Dem. Republic of The)-(Zaire) | 3.56 | 28.32 | 2509 | 950 | |
| Oloke | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -0.62 | 23.92 | 1669 | 298 |
| Olomo | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -3.35 | 23.50 | 2011 | 4172 |
| Olondo | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -0.77 | 23.80 | 1669 | 298 |
| Olongba | city | Congo (Dem. Republic of The)-(Zaire) | 1.33 | 30.12 | 4553 | 6705 | |
| Olongo | city | Katanga | Congo (Dem. Republic of The)-(Zaire) | -2.28 | 25.07 | 1669 | 1043 |
| Olua | city | Kasai Oriental | Congo (Dem. Republic of The)-(Zaire) | -2.27 | 23.39 | 1669 | 298 |
| Oluelu | city | Congo (Dem. Republic of The)-(Zaire) | -3.17 | 18.34 | 1184 | 2384 | |
| Olukaikai | city | Congo (Dem. Republic of The)-(Zaire) | 1.80 | 29.01 | 3349 | 149 | |
| Oluke | city | Kasai Oriental | Congo (Dem. Republic of The)-(Zaire) | -3.86 | 24.34 | 1998 | 1490 |