| VERDUN | Fortified French town on the Meuse that was the scene of the longest and most severe battle of World War I |
| SEDAN | Town on the River Meuse that was the scene of a Second World War battle which began the German invasion of France (5) |
| RHINE | One of the longest and most important rivers in Europe (5) |
| TOULON | Major fortified French naval base on the Mediterranean (6) |
| MILES | Proverb illustrating even the longest and most difficult ventures have a starting point |
| BEGINS | Proverb illustrating even the longest and most difficult ventures have a starting point |
| WITHA | Proverb illustrating even the longest and most difficult ventures have a starting point |
| INDUS | The longest and most important river in Pakistan |
| LAKETANGANYIKA | Body of fresh water in central Africa between Tanzania and the Democratic Republic of the Congo; the longest and second-largest of its kind on earth (4,10) |
| CAMBRAI | French town on the River Scheldt, scene of a battle in the First World War in which massed tanks were first used (7) |
| ARGONNE | Battles of the Meuse-___ were a major part of the Allies' final offensive in the First World War (7) |
| EUPEN | City in the Belgian province of Liege that is the capital of the Meuse-Rhine Euroregion |
| SCHELDT | (GKN) Second-longest river of Belgium after the Meuse, shared with France and the Netherlands (7) |
| TANGANYIKA | Longest and second deepest freshwater lake in the world, it is a boundary for Tanzania, the Democratic Republic of the Congo, Burundi and Zambia (10) |
| SOMME | River of northeast France, scene of a battle of World War I (5) |
| FEMUR | The longest and thickest bone of the human skeleton (5) |
| ISNER | John ---, US tennis player who played in the longest and second longest singles matches in Grand Slam history (5) |
| BIARRITZ | French town on the Bay of Biscay (8) |
| AMBOISE | French town on the River Loire which houses a famous castle and prison (7) |
| EPINAL | French town on the Moselle River, capital of Vosges department (6) |