Camponotus oblongus valid Myanmar. Indomalaya.
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp.   128685

Camponotus oblongus binominatus valid
Forel, A. 1916. Fourmis du Congo et d'autres provenances récoltées par MM. Hermann Kohl, Luja, Mayné, etc. Revue Suisse de Zoologie 24:397-460.   124996

Camponotus oblongus opaca homonym replaced by Camponotus oblongus binominatus India (Tamil Nadu). Indomalaya.
Forel, A. 1907d. Formicides du Musée National Hongrois. Annales Historico-Naturales Musei Nationalis Hungarici 5:1-42.   125171