Farthest distance driven using an internal combustion engine in one hour

According to Official Guinness Records,

The greatest distance driven in one hour by a car with an internal combustion engine is 353.409 km (219.598 miles), by Helmut Henzler (Germany) and Keke Rosberg (Finland) in a prototype Volkswagen diesel-powered car on 18 October 1980 at the Nardo circuit in Italy.
Official FAI (world motorsports governing body) record. Please note that there are no guidelines for this record - claimants should be referred to the FAI (www.fai.org) for details on how to go about breaking this record.

For a complete list of 1979 records, please visit 1979 Guinness Records in Italy.

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