Input interpretation +----------+--------------------------+----------------------+ | distance | from | Paris, Ile-de-France | | to | Montreal, Quebec, Canada | | +----------+--------------------------+----------------------+ Result +-----------------------+ | 5519 km (kilometers) | +-----------------------+ Unit conversions +------------+ | 3429 miles | +------------+ Direct travel times +---------------------------------------------+-----------------------+ | aircraft (550 mph) | 6 hours 15 minutes | | sound | 4 hours 30 minutes | | light in fiber | 26 ms (milliseconds) | | light in vacuum | 18 ms (milliseconds) | | (assuming constant-speed great-circle path) | | +---------------------------------------------+-----------------------+ Map Fraction of earth circumference +---------------+ | 0.14 ~~ 1 / 7 | +---------------+