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| Route information | |
| Length | 459 km (285 mi) |
| Major junctions | |
| North end | Cherbourg |
| South end | La Rochelle |
| Location | |
| Countries |  France |
| Highway system | |
European route E3 is a series of roads in France, part of the United Nations International E-road network. It runs from Cherbourg to La Rochelle.