The rules that use the vocabulary item "miles" are:

<range-recursive>

<distance> miles

<distance> nautical miles

<range>

<distance> miles

<distance> nautical miles

<nlb-not_command_or_system_utterance_or_user_response>

<distance> nautical miles

<nlb-nlb3>

<distance> nautical miles

<nlb-not_careful-nlb3>

<distance> nautical miles

<speed_measure-pl>

miles an hour

miles per hour

<distance_unit>

miles

nautical miles

<distance_unit-pl>

miles

nautical miles