 Cullompton is 4 miles ( 6 @.@ 4 km ) south @-@ east of Tiverton , 13 miles ( 21 km ) north @-@ north @-@ east of Exeter and 149 miles ( 240 km ) west @-@ south @-@ west of London . It is at about 70 m above sea level . The parish covers nearly 8 @,@ 000 acres ( 32 km2 ) and stretches for 7 miles ( 11 km ) along the Culm valley . 
