Common Bus Collection Funds (KTEL)

Until 2020, the Attica KTEL operated only the intercity routes of the Prefecture of Attica and the Athens-Thessaloniki line from 1991-92.
ktelattikis.gr

Interurban buses of Aegina

Interurban buses of Pieria
ktelpierias.gr

Interurban buses of Karditsas

Interurban buses of Larissa

Interurban buses of Τrikalon

Interurban buses of Magnesia

Interurban buses of Aitoloakarnanias

Interurban buses of Achaea

Interurban buses of Elis

Interurban buses of Drama

Interurban buses of Evrou

Interurban buses of Kavala
ktelkavalas.gr

Interurban buses of Xanthi
ktelxanthis.gr

Inetrurban buses of Rhodope
ktelrodopis.gr

Interurban buses of Argolidas

Interurban buses of Arcadia

Interurban buses of Corinth.
ktelkorinthias.gr

Buses operated for OASA: KTEL Corinth (OASA)

Interurban buses of Lakonias

Interurban buses of Messinias

Interurban buses of Evritanias

Interurban buses of Phthiotis

Interurban buses of Fokidas

Interurban buses of Euboea.
ktelevias.gr

Buses operated for OASA: KTEL Euboea OASA)

Interurban buses of Livadia

Interurban buses of Thebes.
ktelthivas.gr

Buses operated for OASA: KTEL Thebes (OASA)

Intercity buses of Arta

Interurban buses of Thesprotia

Intercity buses of Ioannina

Interurban buses of Preveza

Interurban buses of Karpathos

Υπεραστικά λεωφορεία της Κω

Υπεραστικά λεωφορεία της Ροδου

Υπεραστικά λεωφορεία της Σύρου (Περιφερειακή Ενότητα Σύρου)

Interurban buses of Grevenon

Interurban buses of Kastoria

Interurban buses of Κozanis
ktelkozanis.gr

Interurban buses of Zakynthos
ktel-zakynthos.gr

Interurban buses of Kerkyras

Interurban buses of Cephalonia

Interurban buses of Lefkada

Interurban buses of Lesbos

Interurban buses of Lemnos

Interurban buses of Chios

Interurban buses of Samos