| Ronda to Nasaud | 1,670.38 mi (2,688.21 km) |
| Ronda to Navodari | 1,835.07 mi (2,953.27 km) |
| Ronda to Negresti-Oas | 1,637.74 mi (2,635.69 km) |
| Ronda to Nehoiu | 1,731.31 mi (2,786.27 km) |
| Ronda to Ocna Mures | 1,630.02 mi (2,623.26 km) |
| Ronda to Odobesti | 1,772.19 mi (2,852.06 km) |
| Ronda to Odorheiu Secuiesc | 1,695.88 mi (2,729.26 km) |
| Ronda to Oltenita | 1,736.09 mi (2,793.96 km) |
| Ronda to Onesti | 1,763.87 mi (2,838.68 km) |
| Ronda to Oradea | 1,554.24 mi (2,501.30 km) |
| Ronda to Orastie | 1,590.59 mi (2,559.81 km) |
| Ronda to Oravita | 1,506.40 mi (2,424.32 km) |
| Ronda to Orsova | 1,535.82 mi (2,471.67 km) |
| Ronda to Otelu Rosu | 1,545.53 mi (2,487.29 km) |
| Ronda to Otopeni | 1,712.01 mi (2,755.21 km) |
