How long are the race tracks?

The longest lap here is the Snaefell Mountain Course, at 60.721 km (37.73 miles), and the shortest Martinsville Speedway, at 0.847 km (0.526 miles). In Formula 1, the longest lap is Spa-Francorchamps, at 7.004 km (4.35 miles).

All 32 race tracks, longest to shortest

#	Track	Lap (km)	Lap (miles)
1	Snaefell Mountain Course	60.721	37.73
2	Nürburgring Nordschleife	20.832	12.94
3	Circuit de la Sarthe	13.626	8.47
4	Spa-Francorchamps	7.004	4.35
5	Mount Panorama	6.213	3.86
6	Las Vegas Strip Circuit	6.201	3.85
7	Jeddah Corniche Circuit	6.174	3.84
8	Baku City Circuit	6.003	3.73
9	Silverstone	5.891	3.66
10	Suzuka	5.807	3.61
11	Monza	5.793	3.60
12	Sepang International Circuit	5.543	3.44
13	Circuit of The Americas	5.513	3.43
14	Shanghai International Circuit	5.451	3.39
15	Lusail International Circuit	5.419	3.37
16	Bahrain International Circuit	5.412	3.36
17	Miami International Autodrome	5.412	3.36
18	Istanbul Park	5.338	3.32
19	Yas Marina Circuit	5.281	3.28
20	Albert Park Circuit	5.278	3.28
21	Marina Bay Street Circuit	4.927	3.06
22	Circuit de Barcelona-Catalunya	4.657	2.89
23	Algarve International Circuit	4.653	2.89
24	Hungaroring	4.381	2.72
25	Circuit Gilles-Villeneuve	4.361	2.71
26	Red Bull Ring	4.326	2.69
27	Interlagos	4.309	2.68
28	Autódromo Hermanos Rodríguez	4.304	2.67
29	Talladega Superspeedway	4.281	2.66
30	Circuit Zandvoort	4.259	2.65
31	Circuit de Monaco	3.337	2.07
32	Martinsville Speedway	0.847	0.526

How long are the race tracks?

All 32 race tracks, longest to shortest

Every lap