Speaking about the 42 kilometers of the Marathon run, we would like to remind that the word derives from the Greek words χίλια (kilo) and μέτρο (meter) and exists in a lot of languages like the following:
Greek χιλιόμετρο
English kilometre
French kilometre
Ukrainian Кілометр
Polish kilometr
Rumanian kilometru
German Kilometer
Russian километр
Bulgarian километър
Dutch kilometer
Spanish kilómetro
Italian chilometro
Portuguese quilômetro
Hungarian kilométer