If Length of the British Grand Prix Formula 1 motor race (306.3 km) was a standard unit ...
Circumference of Neptune (154,600 km)...more would be 500 x Length of the British Grand Prix Formula 1 motor race
Circumference of Mercury (15,330 km)...more would be 50 x Length of the British Grand Prix Formula 1 motor race
Range of an Airbus A380 (15,200 km)...more would be 50 x Length of the British Grand Prix Formula 1 motor race
Diameter of Venus (12,010 km)...more would be 40 x Length of the British Grand Prix Formula 1 motor race
Length of coast-to-coast American Discovery Trail (Northern Route) (7,780 km)...more would be 25 x Length of the British Grand Prix Formula 1 motor race
Length of India, North to South (3,100 km)...more would be 10 x Length of the British Grand Prix Formula 1 motor race
Length of the Rio Grande (USA, Mexico) (3,057 km)...more would be 10 x Length of the British Grand Prix Formula 1 motor race
Length of the Rhine River (1,233 km)...more would be 4 x Length of the British Grand Prix Formula 1 motor race
Length of the Panama Canal (77 km)...more would be 1/4 of Length of the British Grand Prix Formula 1 motor race
Length of the Lincoln Memorial Reflecting pool in Washington DC (618 m)...more would be 1/500 of Length of the British Grand Prix Formula 1 motor race
Length of an ice-hockey rink (61 m)...more would be 1/5000 of Length of the British Grand Prix Formula 1 motor race
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