| Smyrna to Nasaud | 5,313.03 mi (8,550.49 km) |
| Smyrna to Navodari | 5,598.51 mi (9,009.93 km) |
| Smyrna to Negresti-Oas | 5,252.19 mi (8,452.58 km) |
| Smyrna to Nehoiu | 5,465.64 mi (8,796.09 km) |
| Smyrna to Ocna Mures | 5,328.58 mi (8,575.51 km) |
| Smyrna to Odobesti | 5,477.09 mi (8,814.53 km) |
| Smyrna to Odorheiu Secuiesc | 5,386.95 mi (8,669.47 km) |
| Smyrna to Oltenita | 5,532.31 mi (8,903.40 km) |
| Smyrna to Onesti | 5,444.90 mi (8,762.71 km) |
| Smyrna to Oradea | 5,226.42 mi (8,411.12 km) |
| Smyrna to Orastie | 5,324.85 mi (8,569.53 km) |
| Smyrna to Oravita | 5,297.35 mi (8,525.25 km) |
| Smyrna to Orsova | 5,338.33 mi (8,591.20 km) |
| Smyrna to Otelu Rosu | 5,304.87 mi (8,537.37 km) |
| Smyrna to Otopeni | 5,490.54 mi (8,836.16 km) |
