Convoy route OG
| Code | OG |
| Route | United Kingdom - Gibraltar |
| Area | North Atlantic |
| Notes | From October 1939 to August 1942 and again from may to October 1943, the KMS. Until July 1940 south of Ireland, then from North Channel. Combined with KMS in July 1943. In 1940 for a time also OGF (fast). |
| Convoys | Date | Losses |
| OG-16 | Feb 1940 | 1 ship sunk for a total of 6.805 tons |
| OG-18 | Feb 1940 | 1 ship sunk for a total of 7.418 tons |
| OG-33F | Jun 1940 | |
| OG-34 | Jun 1940 | 1 ship sunk for a total of 3.828 tons |
| OG-43 | Sep 1940 | 1 ship sunk for a total of 862 tons |
| OG-46 | Dec 1940 | 3 ships sunk for a total of 5.236 tons |
| OG-52 | Feb 1941 | 1 ship sunk for a total of 3.364 tons |
| OG-56 | Mar 1941 | 2 ships sunk for a total of 12.378 tons |
| OG-57 | Apr 1941 | 4 ships sunk for a total of 14.513 tons |
| OG-58 | Apr 1941 | 1 ship sunk for a total of 2.267 tons |
| OG-59 | May 1941 | 1 ship sunk for a total of 4.255 tons |
| OG-64 | Jun 1941 | 3 ships sunk for a total of 13.315 tons |
| OG-65 | Jun 1941 | 1 ship sunk for a total of 3.059 tons |
| OG-67 | Jul 1941 | 1 ship sunk for a total of 3.433 tons |
| OG-69 | Jul 1941 | 7 ships sunk for a total of 11.303 tons |
| OG-71 | Aug 1941 | 10 ships sunk for a total of 15.185 tons |
| OG-74 | Sep 1941 | 5 ships sunk for a total of 8.692 tons |
| OG-75 | Oct 1941 | 1 ship sunk for a total of 925 tons |
| OG-80 | Sep 1942 | 1 ship sunk for a total of 5.221 tons |
19 OG convoys successfully attacked in the war.
Map showing ships hit from convoys on route OG. 38 ships with known position.