Angola, Cameroon, Central African Republic, Congo [The Democratic Republic of the], Congo [The Democratic Republic of the], Côte dIvoire, Equatorial Guinea, Gabon, Ghana, Guinea, Liberia, Nigeria, Sierra Leone, Uganda, Zambia.
Guinea and Ghana through southern Nigeria and Cameroon to northern Congo, northern Zaire, western Uganda, Kasai zone (north-eastern Angola, south-western Zaire), north-western Angola and north-western Zambia; possibly also Sierra Leone, with two recent records from Gola Forest.
 
Population
Estimated population is unknown (2010).
Olive Long-tailed Cuckoo (Cercococcyx olivinus) [XC59081]
by Niall Perrins from Buhoma2, Bwindi Impenetrable Forest, Uganda (call)
Olive Long-tailed Cuckoo (Cercococcyx olivinus) [XC397565]
by Peter de Rouw from Walk into 'Abrafo forest'. From track W of R82. Near Odumase Abrafo. Near Kakum NP , Twifo, Central, Ghana (call)