Not unrealistic if you happen to 25 miles away (journey each way) but definitely not your "average commuter". (I used to cycle 20 miles each way, I knew someone

Not unrealistic if you happen to 25 miles away (journey each way) but definitely not your "average commuter". (I used to cycle 20 miles each way, I knew someone that cycled 35 miles, but for different reasons than just commuting).