Athens is the farthest south.
| City | Latitude |
|---|---|
| Athens | 37°58′ N |
| Rome | 41°53′ N |
| Nice | 43°42′ N |
Lower latitude = farther south. Athens (38°N) is ~400 km south of Rome (42°N) and ~650 km south of Nice (44°N). The original answer incorrectly stated Nice was farthest south.