Back الطريق الأوروبي E66 Arabic E66 Catalan Evropská silnice E66 Czech Europavej E66 Danish Europastraße 66 German جاده ئی۶۶ اروپا Persian Route européenne 66 French E66 (európai út) Hungarian Strada europea E66 Italian E66号線 Japanese
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| Route information | |
| Length | 651 km (405 mi) |
| Major junctions | |
| West end | Franzensfeste, Italy |
| East end | Székesfehérvár, Hungary |
| Location | |
| Countries |  Italy Austria Hungary |
| Highway system | |
European route E66 is a part of the International E-road network. This Class A intermediate west-east route runs 651 kilometres (405 mi) from Franzensfeste in Italy to Székesfehérvár in Hungary, connecting the Alps with the Pannonian Plain.