| Siverek to Nasaud | 1,002.13 mi (1,612.77 km) |
| Siverek to Navodari | 718.19 mi (1,155.82 km) |
| Siverek to Negresti-Oas | 1,062.93 mi (1,710.61 km) |
| Siverek to Nehoiu | 851.78 mi (1,370.80 km) |
| Siverek to Ocna Mures | 989.46 mi (1,592.38 km) |
| Siverek to Odobesti | 838.19 mi (1,348.93 km) |
| Siverek to Odorheiu Secuiesc | 928.96 mi (1,495.02 km) |
| Siverek to Oltenita | 792.30 mi (1,275.08 km) |
| Siverek to Onesti | 870.21 mi (1,400.47 km) |
| Siverek to Oradea | 1,092.47 mi (1,758.17 km) |
| Siverek to Orastie | 998.20 mi (1,606.44 km) |
| Siverek to Oravita | 1,040.30 mi (1,674.20 km) |
| Siverek to Orsova | 999.78 mi (1,608.99 km) |
| Siverek to Otelu Rosu | 1,024.24 mi (1,648.36 km) |
| Siverek to Otopeni | 832.44 mi (1,339.68 km) |
