What's the longest f1 track?

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Tags

1. #curves
2. #track
3. #circuit
4. #medium
5. #difficult
6. #francorchamps
7. #calendar
8. #straight
9. #right
10. #kilometres
11. #longest
12. #considered
13. #ardennes
14. #generally
15. #combining
16. #corners
17. #challenging
18. #turns