6,371 kilometers (km) = 250,800,000 inches
3,149,606.299
2246 inches = 0.057048 km
476,377,952.755905512 inches approx
0.5 inches is equal to 0.0000127 kilometres.
Europa: 1561 km radius Earth: 6371 km radius The diameter is twice the radius.
9.1 km = 358,268 inches (rounded).
Twelve kilometers is a whole bunch of inches. 12 km X 1000 meters/km x 39.37 in/meter equal 472,440 inches. You would be a while measuring that with a yardstick!
984,300 inches.
39,370 inches.
2,952.76 inches.
22,518.5 inches.
The average distance to the centre of the Earth is 6371 km, so 6371 km ÷ 20 km/h = 318.55 hrs 318.55 hours is approximately 320 hours, which is 13⅓ days. Obviously this is theoretically speaking, and you cannot cycle to the centre of the Earth.