Danish national road 21 is a road going from Copenhagen, Denmark to Randers, Denmark.

it starts at Ring 2 in Copenhagen as a motorway and turns into an expressway west of Holbæk, to end in Randers close to E45.

This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. Please consult this guideline for information on how to create one. Please improve this article if you can. (December 2021)

• 
• 1 Hvidovre
• Brøndby E47 / E55 Helsingør
• 2 Brøndbyvester Ring 3
• 3 Vallensbæk N
• Vallensbæk Ring 4 / E20 / E47 / E55 Odense, Rødby, Gedser
• 4 Roskildevej Ø Sekundærrute 156ø
• 5 Roskildevej V Sekundærrute 156v
• Taastrup Ring 4 Ballerup, Lyngby
• 6 Høje Taastrup C´
• 7a Høje Taastrup S Sekundærrute 243
• 7b Baldersbrønde
• 8 Fløng
• 9 Trekroner
• 10 Roskilde Ø Sekundærrute 156
• 11 Roskilde SØ Primærrute 6 / Sekundærrute 217
• 12 Roskilde S Primærrute 6 | Service area Roskilde
• 13 Ringstedvej Primærrute 14
• 14 Roskilde V
• | Kornerup
• 15 Gevninge Sekundærrute 155
• | Service area Torkildstrup
• 16 Kirke Sonnerup Primærrute 53
• Holbæk Primærrute 23 Kalundborg
• | Arnakke
• 18 Holbæk Ø Sekundærrute 155
• 19 Holbæk C Primærrute 57
• | Springstrup
• 20 Holbæk V Sekundærrute 155
• 

Expressway begins

• Asnæs
• Vig
• Nykøbing Sjælland Sekundærrute 225

Expressway ends

• Odden Færgehavn [ da; de]
• Odden Færgehavn [ da; de]- Ebeltoft ( Mols-Linien)
• Ebeltoft
• Primærrute 15
• Mørke
• Sekundærrute 180
• Primærrute 21 ends

References

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