| Cities | Distance |
|---|---|
| Ada to Nasaud | 227.44 mi (366.03 km) |
| Ada to Navodari | 426.06 mi (685.68 km) |
| Ada to Negresti-Oas | 211.25 mi (339.97 km) |
| Ada to Nehoiu | 299.99 mi (482.79 km) |
| Ada to Ocna Mures | 183.14 mi (294.73 km) |
| Ada to Odobesti | 333.98 mi (537.49 km) |
| Ada to Odorheiu Secuiesc | 250.29 mi (402.81 km) |
| Ada to Oltenita | 339.24 mi (545.95 km) |
| Ada to Onesti | 319.81 mi (514.68 km) |
| Ada to Oradea | 122.36 mi (196.92 km) |
| Ada to Orastie | 147.69 mi (237.68 km) |
| Ada to Oravita | 91.76 mi (147.67 km) |
| Ada to Orsova | 132.74 mi (213.63 km) |
| Ada to Otelu Rosu | 108.93 mi (175.30 km) |
| Ada to Otopeni | 301.70 mi (485.53 km) |