Missing a junction on the motorway can be a major frustration for divers – particularly if the next junction is some distance away. Data analysts at Quotezone.co.uk have crunched the numbers and found the 18 longest distances between two motorway junctions. It helps drivers to understand that missing certain junctions can be a costly and time-consuming mistake. They have also created an interactive map to help demonstrate how a wrong turn, or missed junction could impact on the journey.
| Motorway | Area | Junction | Junction | Distance (Mile) | Detour (Mile) | Litres | Cost* | Time (In Mins) | |
| 1 | M26 / M25 | Kent | J2A | J6 | 18 | 36 | 2.77 | £3.44 | 31 |
| 2 | M11 | Cambridge | J10 | J8 | 17.5 | 35 | 2.68 | £3.33 | 30 |
| 3 | M6 | Lancashire | J32 | J33 | 13 | 26 | 2 | £2.48 | 22 |
| 4 | M74 | Glasgow | J14 | J15 | 13 | 26 | 2 | £2.48 | 22 |
| 5 | M20 | Maidstone | J8 | J9 | 13 | 26 | 2 | £2.48 | 22 |
| 6 | M4 | Chippenham | J16 | J17 | 12 | 24 | 1.86 | £2.31 | 20 |
| 7 | M1 | Northampton | J14 | J15 | 12 | 24 | 1.86 | £2.31 | 20 |
| 8 | M90 | Perth | J9 | J7 | 11 | 22 | 1.68 | £2.09 | 19 |
| 9 | M6 | Stoke-on-Trent | J14 | J15 | 11 | 22 | 1.68 | £2.09 | 19 |
| 10 | A1(M) | North East | J50 | J51 | 10 | 20 | 1.55 | £1.92 | 17 |
| 11 | M5 | Cullompton | J28 | J29 | 10 | 20 | 1.55 | £1.92 | 17 |
| 12 | M5 | Stroud | J13 | J14 | 10 | 20 | 1.55 | £1.92 | 17 |
| 13 | M3 | Winchester | J8 | J9 | 10 | 20 | 1.55 | £1.92 | 17 |
| 14 | M2 | Faversham | J5 | J6 | 10 | 20 | 1.55 | £1.92 | 17 |
| 15 | M62 | Yorkshire | J35 | J34 | 8 | 16 | 1.23 | £1.52 | 13 |
| 16 | M4 | Maidenhead | J8/9 | J10 | 8 | 16 | 1.23 | £1.52 | 13 |
| 17 | M61 | North West | J6 | J8 | 7 | 14 | 1.09 | £1.35 | 12 |
| 18 | M1 N.IRE | Lisburn | J8 | J9 | 6 | 12 | 0.91 | £1.13 | 10 |
*Based on a Ford Fiesta Hatch 3Dr 1.0t
