| Rijen to Navodari | 1,197.45 mi (1,927.12 km) |
| Rijen to Negresti-Oas | 861.41 mi (1,386.31 km) |
| Rijen to Nehoiu | 1,063.77 mi (1,711.97 km) |
| Rijen to Ocna Mures | 926.06 mi (1,490.36 km) |
| Rijen to Odobesti | 1,080.88 mi (1,739.51 km) |
| Rijen to Odorheiu Secuiesc | 988.57 mi (1,590.96 km) |
| Rijen to Oltenita | 1,125.44 mi (1,811.22 km) |
| Rijen to Onesti | 1,051.87 mi (1,692.82 km) |
| Rijen to Oradea | 822.91 mi (1,324.35 km) |
| Rijen to Orastie | 918.12 mi (1,477.56 km) |
| Rijen to Oravita | 889.02 mi (1,430.74 km) |
| Rijen to Orsova | 929.93 mi (1,496.57 km) |
| Rijen to Otelu Rosu | 896.39 mi (1,442.59 km) |
| Rijen to Otopeni | 1,084.20 mi (1,744.85 km) |
| Rijen to Ovidiu | 1,197.19 mi (1,926.68 km) |
