<flux:select {{ $attributes }} size="sm">
    <flux:select.option value="1">1 mile</flux:select.option>
    <flux:select.option value="2">2 miles</flux:select.option>
    <flux:select.option value="5">5 miles</flux:select.option>
    <flux:select.option value="10">10 miles</flux:select.option>
    <flux:select.option value="20">20 miles</flux:select.option>
</flux:select>