Ima Kyoto O sugita tokoro desuyo.
What does "sugita" means in the sentence?
It's the past tense. So it means "passed".
"Kyoto o sugita tokoro"
"tokoro" means "the point(place or time)".
So "Kyoto o sugita tokoro" means "on the point where I passed Kyoto".
"Ima Kyoto O sugita tokoro desuyo."
Word-for-Word: "Now I'm on the point where I passed Kyoto!"
Sense of the sentence: "I've just passed Kyoto!"
You got it?!