| Rio de Mouro to Navodari | 1,981.03 mi (3,188.16 km) |
| Rio de Mouro to Negresti-Oas | 1,746.62 mi (2,810.92 km) |
| Rio de Mouro to Nehoiu | 1,867.40 mi (3,005.29 km) |
| Rio de Mouro to Ocna Mures | 1,754.19 mi (2,823.10 km) |
| Rio de Mouro to Odobesti | 1,904.97 mi (3,065.75 km) |
| Rio de Mouro to Odorheiu Secuiesc | 1,822.28 mi (2,932.67 km) |
| Rio de Mouro to Oltenita | 1,883.68 mi (3,031.48 km) |
| Rio de Mouro to Onesti | 1,892.00 mi (3,044.87 km) |
| Rio de Mouro to Oradea | 1,668.83 mi (2,685.72 km) |
| Rio de Mouro to Orastie | 1,719.37 mi (2,767.06 km) |
| Rio de Mouro to Oravita | 1,641.71 mi (2,642.07 km) |
| Rio de Mouro to Orsova | 1,675.04 mi (2,695.71 km) |
| Rio de Mouro to Otelu Rosu | 1,676.69 mi (2,698.38 km) |
| Rio de Mouro to Otopeni | 1,855.27 mi (2,985.77 km) |
| Rio de Mouro to Ovidiu | 1,978.53 mi (3,184.14 km) |
