| Chelles to Navodari | 1,267.63 mi (2,040.05 km) |
| Chelles to Negresti-Oas | 955.27 mi (1,537.36 km) |
| Chelles to Nehoiu | 1,135.95 mi (1,828.13 km) |
| Chelles to Ocna Mures | 1,001.26 mi (1,611.37 km) |
| Chelles to Odobesti | 1,160.65 mi (1,867.88 km) |
| Chelles to Odorheiu Secuiesc | 1,068.35 mi (1,719.34 km) |
| Chelles to Oltenita | 1,184.92 mi (1,906.94 km) |
| Chelles to Onesti | 1,136.19 mi (1,828.53 km) |
| Chelles to Oradea | 899.87 mi (1,448.20 km) |
| Chelles to Orastie | 983.28 mi (1,582.44 km) |
| Chelles to Oravita | 935.46 mi (1,505.48 km) |
| Chelles to Orsova | 976.08 mi (1,570.84 km) |
| Chelles to Otelu Rosu | 952.98 mi (1,533.68 km) |
| Chelles to Otopeni | 1,146.27 mi (1,844.75 km) |
| Chelles to Ovidiu | 1,266.63 mi (2,038.45 km) |
