| San Gregorio di Catania to Nowy Sacz | 878.00 mi (1,413.00 km) |
| San Gregorio di Catania to Nowy Targ | 857.60 mi (1,380.18 km) |
| San Gregorio di Catania to Nowy Tomysl | 1,020.31 mi (1,642.03 km) |
| San Gregorio di Catania to Nysa | 898.30 mi (1,445.67 km) |
| San Gregorio di Catania to Oborniki | 1,045.37 mi (1,682.36 km) |
| San Gregorio di Catania to Oborniki Slaskie | 952.78 mi (1,533.36 km) |
| San Gregorio di Catania to Olawa | 929.73 mi (1,496.26 km) |
| San Gregorio di Catania to Olecko | 1,190.45 mi (1,915.85 km) |
| San Gregorio di Catania to Olesnica | 948.47 mi (1,526.42 km) |
| San Gregorio di Catania to Olesno | 933.67 mi (1,502.60 km) |
| San Gregorio di Catania to Olkusz | 905.53 mi (1,457.31 km) |
| San Gregorio di Catania to Olsztyn | 1,148.79 mi (1,848.80 km) |
| San Gregorio di Catania to Opalenica | 1,020.44 mi (1,642.24 km) |
| San Gregorio di Catania to Opoczno | 987.04 mi (1,588.49 km) |
| San Gregorio di Catania to Opole | 915.66 mi (1,473.62 km) |
