Chaingang route lengths

Morning all,
only went out a couple of times last year on our clubs chaingang, but want to get more into it this year, and did so last night - was tremendous fun, as we had a group of 10, all in a similar power output range.
It only splintered right at the end when there was a rise, a few people surged/opened up the taps, and 3 or 4 got popped out the back.
Anyway, I digress - the route we use is circa 24 miles, so took us just over an hour, but I was wondering if people who do these regularly tend to use longer routes at all?
For that route, we are basically riding at or above threshold for the majority of it, so for a longer route it would have to be throttled back a fair bit.
Would it be pointless to have a 30, 40 or even 50 mile route, or useful training?
Fuelling would also then be a key consideration.
As I say, I'm new to these so apologies if this is a stupid af question
only went out a couple of times last year on our clubs chaingang, but want to get more into it this year, and did so last night - was tremendous fun, as we had a group of 10, all in a similar power output range.
It only splintered right at the end when there was a rise, a few people surged/opened up the taps, and 3 or 4 got popped out the back.
Anyway, I digress - the route we use is circa 24 miles, so took us just over an hour, but I was wondering if people who do these regularly tend to use longer routes at all?
For that route, we are basically riding at or above threshold for the majority of it, so for a longer route it would have to be throttled back a fair bit.
Would it be pointless to have a 30, 40 or even 50 mile route, or useful training?
Fuelling would also then be a key consideration.
As I say, I'm new to these so apologies if this is a stupid af question

Felt F70 05 (Turbo)
Marin Palisades Trail 91 and 06
Scott CR1 SL 12
Cannondale Synapse Adventure 15 & 16 Di2
Scott Foil 18
Marin Palisades Trail 91 and 06
Scott CR1 SL 12
Cannondale Synapse Adventure 15 & 16 Di2
Scott Foil 18
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It also depends on what training objectives you all have. No point doing 'through n off' for three hours if you only ever ride 1hr crits.
I suppose it depends on your training philosophy - I've adopted a fairly loose programme of staying around 70%MHR unless it's a hard session - but as I'm riding for fun not as a career or even to race these days Id do a shorter chain gang or a longer hard ride and not worry too much about what is optimal at the time.
on what your goals are.