| Calvisano to Navodari | 895.93 mi (1,441.86 km) |
| Calvisano to Negresti-Oas | 643.84 mi (1,036.15 km) |
| Calvisano to Nehoiu | 773.64 mi (1,245.06 km) |
| Calvisano to Ocna Mures | 653.32 mi (1,051.41 km) |
| Calvisano to Odobesti | 807.97 mi (1,300.30 km) |
| Calvisano to Odorheiu Secuiesc | 722.01 mi (1,161.96 km) |
| Calvisano to Oltenita | 803.17 mi (1,292.58 km) |
| Calvisano to Onesti | 792.12 mi (1,274.79 km) |
| Calvisano to Oradea | 565.55 mi (910.16 km) |
| Calvisano to Orastie | 621.69 mi (1,000.52 km) |
| Calvisano to Oravita | 552.08 mi (888.48 km) |
| Calvisano to Orsova | 589.37 mi (948.51 km) |
| Calvisano to Otelu Rosu | 581.74 mi (936.21 km) |
| Calvisano to Otopeni | 769.65 mi (1,238.64 km) |
| Calvisano to Ovidiu | 894.02 mi (1,438.78 km) |
