| Calvizzano to Navodari | 769.69 mi (1,238.70 km) |
| Calvizzano to Negresti-Oas | 662.47 mi (1,066.15 km) |
| Calvizzano to Nehoiu | 683.36 mi (1,099.76 km) |
| Calvizzano to Ocna Mures | 614.03 mi (988.18 km) |
| Calvizzano to Odobesti | 728.38 mi (1,172.21 km) |
| Calvizzano to Odorheiu Secuiesc | 669.34 mi (1,077.20 km) |
| Calvizzano to Oltenita | 670.76 mi (1,079.49 km) |
| Calvizzano to Onesti | 729.45 mi (1,173.93 km) |
| Calvizzano to Oradea | 573.75 mi (923.36 km) |
| Calvizzano to Orastie | 566.89 mi (912.32 km) |
| Calvizzano to Oravita | 474.72 mi (763.99 km) |
| Calvizzano to Orsova | 492.72 mi (792.95 km) |
| Calvizzano to Otelu Rosu | 520.21 mi (837.20 km) |
| Calvizzano to Otopeni | 653.13 mi (1,051.11 km) |
| Calvizzano to Ovidiu | 766.34 mi (1,233.31 km) |
