Calculate 24 road miles to air miles.
56 road miles equates to about 48.7 air miles.
There are no roads that go all the way from Hong Kong to Philadelphia, PA. The best you could do is calculate the road mileage to someplace like Seattle and then figure the air miles from that point to Hong Kong. The road mileage to Seattle is about 2825 miles. The air mileage to Hong Kong from Seattle is about 5634 nautical miles, or 6483 statute miles, for a total of approximately 9308 statute miles.
The distance from Memphis to Columbus is: 512 miles (road) or 445 nautical miles (Air).Source: Time and Date.comThe distance from Memphis to Columbus is: 512 miles (road) or 445 nautical miles (Air).Source: Time and Date.comThe distance from Memphis to Columbus is: 512 miles (road) or 445 nautical miles (Air).Source: Time and Date.comThe distance from Memphis to Columbus is: 512 miles (road) or 445 nautical miles (Air).Source: Time and Date.comThe distance from Memphis to Columbus is: 512 miles (road) or 445 nautical miles (Air).Source: Time and Date.comThe distance from Memphis to Columbus is: 512 miles (road) or 445 nautical miles (Air).Source: Time and Date.com
Distance from Austin to New York is: 1517 road miles or 1318 air miles.Source: Time and Date.comDistance from Austin to New York is: 1517 road miles or 1318 air miles.Source: Time and Date.comDistance from Austin to New York is: 1517 road miles or 1318 air miles.Source: Time and Date.comDistance from Austin to New York is: 1517 road miles or 1318 air miles.Source: Time and Date.comDistance from Austin to New York is: 1517 road miles or 1318 air miles.Source: Time and Date.comDistance from Austin to New York is: 1517 road miles or 1318 air miles.Source: Time and Date.com
Distance from Tulsa to Kansas City MO is: 216 road miles or 187 air miles.Source: Time and Date.comDistance from Tulsa to Kansas City MO is: 216 road miles or 187 air miles.Source: Time and Date.comDistance from Tulsa to Kansas City MO is: 216 road miles or 187 air miles.Source: Time and Date.comDistance from Tulsa to Kansas City MO is: 216 road miles or 187 air miles.Source: Time and Date.comDistance from Tulsa to Kansas City MO is: 216 road miles or 187 air miles.Source: Time and Date.comDistance from Tulsa to Kansas City MO is: 216 road miles or 187 air miles.Source: Time and Date.com
About 500 miles by road, or 444 miles by air.
The distance from Phoenix to Detroit is: 1688 road miles or 1467 air miles.
About 1182 miles by air. About 1381 miles by road.
Naples to Udine is about 480 miles by road or 365 miles by air.
Approximately 2,100 miles by road and about 1,565 miles by air.
About 3,470 road miles or 1,342 miles by air.
That's impossible to calculate since there is no road between those two places.