Stefan | ᕕ(◠ڼ◠)ᕗ says to 電訊台 假設香港到加州同google查嘅一樣 係11364 km 咁計光纖速度嘅話係299.792 km/us 姐係一來一會起碼11364 / 299.792 * 2 = 75.8 ms latency無得避