| Cologno al Serio to Navodari | 926.74 mi (1,491.44 km) |
| Cologno al Serio to Negresti-Oas | 667.94 mi (1,074.95 km) |
| Cologno al Serio to Nehoiu | 803.32 mi (1,292.82 km) |
| Cologno al Serio to Ocna Mures | 681.15 mi (1,096.21 km) |
| Cologno al Serio to Odobesti | 836.86 mi (1,346.80 km) |
| Cologno al Serio to Odorheiu Secuiesc | 750.00 mi (1,207.00 km) |
| Cologno al Serio to Oltenita | 834.67 mi (1,343.28 km) |
| Cologno al Serio to Onesti | 820.16 mi (1,319.93 km) |
| Cologno al Serio to Oradea | 591.45 mi (951.84 km) |
| Cologno al Serio to Orastie | 650.74 mi (1,047.27 km) |
| Cologno al Serio to Oravita | 583.02 mi (938.29 km) |
| Cologno al Serio to Orsova | 620.79 mi (999.06 km) |
| Cologno al Serio to Otelu Rosu | 611.58 mi (984.24 km) |
| Cologno al Serio to Otopeni | 800.63 mi (1,288.48 km) |
| Cologno al Serio to Ovidiu | 924.90 mi (1,488.49 km) |
