The part Igoumenitsa - Ioannina is shared with the route E 90.

European route E 403 passes through the following towns and cities:

European route E 17 passes through the following cities:

European route E 87 is part of the United Nations international E-road network.

European route E 77 is a part of the inter-European road system.

European route E 576 is a secondary E-road found in northwestern Romania.

European route E 28 is a west-east intermediate road in the international E-road network.

European route E 26 is a part of the trans-European road network.

European route E 76 is a road part of the International E-road network.

The European route E 22 is one of the longest European routes.