Brentford will be travelling at least 6,500 miles next season and could be travelling over 7,200 depending on who wins the respective play-off finals.
The 2017/18 Championship season will involve several trips to the north and at least five round trips of over 400 miles.
The Bees have two London derbies next season against QPR and Fulham, who were beaten by Reading in the Championship play-off semi finals earlier this week.
But they may be their only away games that are less than 100 miles away depending on the play-off finals.
Millwall, who would be the Bees' third nearest game if they went up, take on Bradford City. The Lions would only be a 26.4 mile round trip, according to Google Maps, while the Bantams would be a 424 mile journey.
Reading, who would be the club's third or fourth nearest fixture depending on Millwall's result if they were to stay down, take on Huddersfield. The round trip to the Madejski Stadium is 69.8 miles while the journey to west Yorkshire and back is 396 miles.
If Reading and Bradford triumph at Wembley, the third nearest away ground to Griffin Park would be Ipswich or Bristol City. Portman Road is 96.1 miles away using the North Circular and 116 miles away using the M4 and M25 but it is much of a muchness on journey time. Ashton Gate, on the other hand, is a 226 mile round trip.
Sunderland, unsurprisingly, is the longest journey Brentford fans will make in the league next season; a 568 mile round trip.
Middlesbrough (520) is in second with Preston (456), Bolton (438) and Hull (430) rounding out the top five.
If Reading go up, the total miles travelled will be 6874.2 miles.
Were the Yorkshire sides to triumph at Wembley then the Bees would be travelling 6,548 miles.
Note: All figures were calculated by Google Maps from Griffin Park to the away ground.