United Kingdom
M1: London - Leeds 191 millas
M2: Rochester - Faversham 26 millas
M3: London - Southampton 59 millas
M4: London - Pontarddulais 190 millas
M5: Walsall - Exeter 163 millas
M6: Catthorpe - Carlisle 227 millas
M6Toll: Birmingham bypass 27 millas
M8: Edinburgh - Langbank 60 millas
M8: Edinburgh - Dunblane 33 millas
M10: Hemel-Hempstead - St Albans 3 millas
M11: London - Cambridge 50 millas
M18: Rotherham - Goole 27 millas
M20: Swanley - Folkestone 51 millas
M23: Hooley - Crawley 16 millas
M25: London Orbital 117 millas
M26: Sevenoaks - Maidstone 10 millas
M27: Cadnam - Portsmouth 25 millas
M32: Hambrook - Bristol 4 millas
M40: London - Birmingham 89 millas
M42: Birmingham Orbital 55 millas
M45: Watford Gap - Thurlaston 8 millas
M48: Alveston - Magor 12 millas
M49: Severn Beach - Avonmouth 5 millas
M50: Strensham - Ross-on-Wye 21 millas
M53: Wallasey - Chester 20 millas
M54: Essington - Wellington 23 millas
M55: Fulwood - Blackpool 11 millas
M56: Cheadle - Mollington 35 millas
M57: Huyton - Netherton 14 millas
M58: Netherton - Orrell 12 millas
M60: Manchester Orbital 35 millas
M61: Preston - Manchester 20 millas
M62: Knotty Ash - North Cave 107 millas
M65: Farington - Colne 30 millas
M66: Edenfield - Whitefield 8 millas
M67: Denton - Warhill 5 millas
M69: Coventry - Leicester 16 millas
M73: Birkenshaw - Mollinsburn 7 millas
M74: Glasgow - Abington 35 millas
M77: Glasgow - Fenwick 20 millas
M80: Glasgow - Stepps 5 millas
M90: Inverkeithing - Perth/Broxden Jct 30 millas
Longitud total: 1902 millas o 3060 km.
Quite a small network for such an dense populated and busy country. It's only a few hundred kilometers less than the Netherlands