| Rianxo to Nasaud | 1,642.31 mi (2,643.05 km) |
| Rianxo to Navodari | 1,863.60 mi (2,999.17 km) |
| Rianxo to Negresti-Oas | 1,596.49 mi (2,569.30 km) |
| Rianxo to Nehoiu | 1,741.57 mi (2,802.78 km) |
| Rianxo to Ocna Mures | 1,618.54 mi (2,604.79 km) |
| Rianxo to Odobesti | 1,775.08 mi (2,856.71 km) |
| Rianxo to Odorheiu Secuiesc | 1,687.48 mi (2,715.74 km) |
| Rianxo to Oltenita | 1,769.72 mi (2,848.08 km) |
| Rianxo to Onesti | 1,757.64 mi (2,828.65 km) |
| Rianxo to Oradea | 1,525.69 mi (2,455.37 km) |
| Rianxo to Orastie | 1,589.04 mi (2,557.31 km) |
| Rianxo to Oravita | 1,519.81 mi (2,445.89 km) |
| Rianxo to Orsova | 1,556.44 mi (2,504.85 km) |
| Rianxo to Otelu Rosu | 1,549.72 mi (2,494.03 km) |
| Rianxo to Otopeni | 1,737.19 mi (2,795.74 km) |
