This ditloid is 5 = Number of Great Lakes.
This is a Ditloid. The answer is 26 Miles in a Marathon. (approximately)
13 Months in a Chinese Lunar Year It could also be Calendar instead of Chinese. This is calculated using a lunisolar calendar.
Go to google.com and type in the words ditloid answers.
This is a Ditloid. The answer is 13 Weeks to a Quarter.
568 M in a P = 568 millilitres in a pint.
1993 the grand national that never was
3 Men and a Little Lady (It's the name of a movie.)
4 musicians in a quartet
The answer is '39 Inches in a Metre'.
Millimetres in a Yard
13 Hearts in a Pack of Cards.