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| Route information | |
| Length | 270 km (170 mi) |
| Major junctions | |
| North end | Villach, Austria |
| South end | Rijeka, Croatia |
| Location | |
| Countries |  Austria Slovenia Italy Croatia |
| Highway system | |
European route E61 forms part of the United Nations International E-road network, of which it is a Class A intermediate north–south route. 270 kilometres (170 mi) long, it connects the southern part of Austria to the Adriatic Sea.