| Chateaudun to Navodari | 1,322.63 mi (2,128.57 km) |
| Chateaudun to Negresti-Oas | 1,018.28 mi (1,638.77 km) |
| Chateaudun to Nehoiu | 1,192.22 mi (1,918.69 km) |
| Chateaudun to Ocna Mures | 1,059.22 mi (1,704.65 km) |
| Chateaudun to Odobesti | 1,218.82 mi (1,961.50 km) |
| Chateaudun to Odorheiu Secuiesc | 1,127.06 mi (1,813.82 km) |
| Chateaudun to Oltenita | 1,237.34 mi (1,991.31 km) |
| Chateaudun to Onesti | 1,195.70 mi (1,924.30 km) |
| Chateaudun to Oradea | 959.10 mi (1,543.52 km) |
| Chateaudun to Orastie | 1,038.69 mi (1,671.61 km) |
| Chateaudun to Oravita | 986.06 mi (1,586.91 km) |
| Chateaudun to Orsova | 1,026.20 mi (1,651.51 km) |
| Chateaudun to Otelu Rosu | 1,006.29 mi (1,619.47 km) |
| Chateaudun to Otopeni | 1,199.67 mi (1,930.69 km) |
| Chateaudun to Ovidiu | 1,321.44 mi (2,126.65 km) |
