| Cartaxo to Navodari | 1,943.53 mi (3,127.81 km) |
| Cartaxo to Negresti-Oas | 1,707.70 mi (2,748.27 km) |
| Cartaxo to Nehoiu | 1,829.45 mi (2,944.21 km) |
| Cartaxo to Ocna Mures | 1,715.78 mi (2,761.28 km) |
| Cartaxo to Odobesti | 1,866.85 mi (3,004.41 km) |
| Cartaxo to Odorheiu Secuiesc | 1,783.92 mi (2,870.94 km) |
| Cartaxo to Oltenita | 1,846.31 mi (2,971.35 km) |
| Cartaxo to Onesti | 1,853.68 mi (2,983.21 km) |
| Cartaxo to Oradea | 1,630.10 mi (2,623.39 km) |
| Cartaxo to Orastie | 1,681.16 mi (2,705.57 km) |
| Cartaxo to Oravita | 1,603.83 mi (2,581.12 km) |
| Cartaxo to Orsova | 1,637.34 mi (2,635.04 km) |
| Cartaxo to Otelu Rosu | 1,638.61 mi (2,637.08 km) |
| Cartaxo to Otopeni | 1,817.69 mi (2,925.28 km) |
| Cartaxo to Ovidiu | 1,941.06 mi (3,123.83 km) |
