European route E 661 is a part of the inter-European road system. This Class B north–south route is 449 kilometres (279 mi) long and it connects Lake Balaton in Hungary via western Slavonia in Croatia with Bosanska Krajina and central Bosnia.
Itinerary
The E 661 routes through three European countries:
Hungary
68: Balatonkeresztúr (
E71) - Nagyatád - Barcs
Croatia
D5: Terezino Polje - Virovitica - Grubišno Polje - Daruvar - Pakrac - Lipik - Okučani (
E70) - Stara Gradiška
Bosnia and Herzegovina
European route E661 near Laktaši, Bosnia and Herzegovina 
E661: Gradiška - Banja Luka
M-16: Banja Luka - Jajce (Start of Concurrency of 
E761) - Donji Vakuf
M-5: Donji Vakuf - Travnik - Zenica (
E73)
External links
