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|---|---|
| Valtatie 25, Riksväg 25 | |
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| Route information | |
| Maintained by the Finnish Transport Agency | |
| Length | 171 km (106 mi) |
| Major junctions | |
| From | Hanko |
| To | Mäntsälä |
| Location | |
| Country | Finland |
| Major cities | Ekenäs, Lohja, Hyvinkää |
| Highway system | |
The Finnish national road 25 (Finnish: Valtatie 25, Hangonväylä; Swedish: Riksväg 25, Hangöleden) is the main route between the major cities of Hanko and Hyvinkää in southern Finland. It runs from Tulliniemi in Hanko to the Maisala in Mäntsälä, where it continues to Porvoo as the 2nd class main road 55. Together with the aforementioned road, it forms the Helsinki Metropolitan Circuit and is often referred to as the outer beltway of the Greater Helsinki or also known as the Ring V.