| Chaudfontaine to Navodari | 1,151.65 mi (1,853.40 km) |
| Chaudfontaine to Negresti-Oas | 822.21 mi (1,323.22 km) |
| Chaudfontaine to Nehoiu | 1,018.14 mi (1,638.54 km) |
| Chaudfontaine to Ocna Mures | 880.82 mi (1,417.54 km) |
| Chaudfontaine to Odobesti | 1,037.76 mi (1,670.12 km) |
| Chaudfontaine to Odorheiu Secuiesc | 945.10 mi (1,521.00 km) |
| Chaudfontaine to Oltenita | 1,076.18 mi (1,731.95 km) |
| Chaudfontaine to Onesti | 1,010.17 mi (1,625.71 km) |
| Chaudfontaine to Oradea | 777.68 mi (1,251.56 km) |
| Chaudfontaine to Orastie | 869.70 mi (1,399.65 km) |
| Chaudfontaine to Oravita | 835.13 mi (1,344.01 km) |
| Chaudfontaine to Orsova | 876.16 mi (1,410.04 km) |
| Chaudfontaine to Otelu Rosu | 845.34 mi (1,360.45 km) |
| Chaudfontaine to Otopeni | 1,035.57 mi (1,666.58 km) |
| Chaudfontaine to Ovidiu | 1,151.15 mi (1,852.60 km) |
