| Sassari to Navodari | 1,048.05 mi (1,686.67 km) |
| Sassari to Negresti-Oas | 883.03 mi (1,421.09 km) |
| Sassari to Nehoiu | 949.04 mi (1,527.33 km) |
| Sassari to Ocna Mures | 858.26 mi (1,381.23 km) |
| Sassari to Odobesti | 991.60 mi (1,595.82 km) |
| Sassari to Odorheiu Secuiesc | 920.98 mi (1,482.18 km) |
| Sassari to Oltenita | 948.88 mi (1,527.08 km) |
| Sassari to Onesti | 986.67 mi (1,587.88 km) |
| Sassari to Oradea | 795.03 mi (1,279.48 km) |
| Sassari to Orastie | 815.35 mi (1,312.18 km) |
| Sassari to Oravita | 727.18 mi (1,170.29 km) |
| Sassari to Orsova | 753.49 mi (1,212.63 km) |
| Sassari to Otelu Rosu | 769.02 mi (1,237.61 km) |
| Sassari to Otopeni | 926.32 mi (1,490.77 km) |
| Sassari to Ovidiu | 1,045.02 mi (1,681.80 km) |
