Why 190 miles?

[jrbabbitt]

I have noticed a small little fact, almost all of the races in the Formula GT series are roughly 190 miles (give or take a mile or two).
Tokyo 60 laps = 190.8 miles
Super Speedway 127 laps = 190.5
NYC 74 laps = 191.66
High Speed Ring 77 laps = 191.73
Grand Valley 62 laps = 190.34
Le Sarthe 23 laps = 195.04
Cote d' Azur 78 laps = 162.24 (this is the only anomaly in mileage)
Seoul 113 laps = 190.97
Infinieon 76 laps = 191.52
Laguna 85 laps = 190.4
Motegi road course 64 laps = 190.72
Nurbringring 15 laps = 194.1
El Capitan 64 laps = 190.08
Fuji 2005 67 laps = 190.28
Suzuka 53 laps = 191.53

Can anyone tell me why only 190 miles?

 

[xXSilencerXx]

My guess is that it's because most of the enduanance races are 300km( 190 mi. ) or 200 mi. In GT3 most of the Formula GT races were like enduro races also.

 

[sumbodycool]

edit:

Nevermind

 

[londor]

Because in real life F1 races are 300km (190 miles) and can not last more than 2 hours.

 

[bigjoe]

Because in real life F1 races are 300km (190 miles) and can not last more than 2 hours.

And in real life the Monaco F1 race is 78 laps, hence the Cote d'Azur race length.

 

[Appie]

because in real life they have to last a race of 305 km

 

[Cap'n Jack]

And in real life the Monaco F1 race is 78 laps, hence the Cote d'Azur race length.

Don't forget Suzuka...