| Silleda to Nasaud | 1,613.64 mi (2,596.90 km) |
| Silleda to Navodari | 1,834.19 mi (2,951.85 km) |
| Silleda to Negresti-Oas | 1,568.04 mi (2,523.52 km) |
| Silleda to Nehoiu | 1,712.34 mi (2,755.74 km) |
| Silleda to Ocna Mures | 1,589.56 mi (2,558.15 km) |
| Silleda to Odobesti | 1,745.97 mi (2,809.86 km) |
| Silleda to Odorheiu Secuiesc | 1,658.50 mi (2,669.09 km) |
| Silleda to Oltenita | 1,740.22 mi (2,800.62 km) |
| Silleda to Onesti | 1,728.66 mi (2,782.01 km) |
| Silleda to Oradea | 1,496.94 mi (2,409.09 km) |
| Silleda to Orastie | 1,559.89 mi (2,510.40 km) |
| Silleda to Oravita | 1,490.42 mi (2,398.60 km) |
| Silleda to Orsova | 1,526.99 mi (2,457.46 km) |
| Silleda to Otelu Rosu | 1,520.47 mi (2,446.96 km) |
| Silleda to Otopeni | 1,707.78 mi (2,748.40 km) |
