| Lucon to Navodari | 1,443.88 mi (2,323.70 km) |
| Lucon to Negresti-Oas | 1,154.41 mi (1,857.84 km) |
| Lucon to Nehoiu | 1,316.31 mi (2,118.40 km) |
| Lucon to Ocna Mures | 1,186.94 mi (1,910.19 km) |
| Lucon to Odobesti | 1,345.97 mi (2,166.13 km) |
| Lucon to Odorheiu Secuiesc | 1,255.59 mi (2,020.68 km) |
| Lucon to Oltenita | 1,354.66 mi (2,180.11 km) |
| Lucon to Onesti | 1,325.20 mi (2,132.70 km) |
| Lucon to Oradea | 1,089.56 mi (1,753.48 km) |
| Lucon to Orastie | 1,162.37 mi (1,870.65 km) |
| Lucon to Oravita | 1,102.21 mi (1,773.84 km) |
| Lucon to Orsova | 1,141.20 mi (1,836.59 km) |
| Lucon to Otelu Rosu | 1,126.75 mi (1,813.33 km) |
| Lucon to Otopeni | 1,318.88 mi (2,122.53 km) |
| Lucon to Ovidiu | 1,442.35 mi (2,321.24 km) |
