| Caldiran to Nasaud | 1,127.41 mi (1,814.39 km) |
| Caldiran to Navodari | 864.52 mi (1,391.31 km) |
| Caldiran to Negresti-Oas | 1,185.36 mi (1,907.65 km) |
| Caldiran to Nehoiu | 994.81 mi (1,600.99 km) |
| Caldiran to Ocna Mures | 1,129.47 mi (1,817.70 km) |
| Caldiran to Odobesti | 970.47 mi (1,561.81 km) |
| Caldiran to Odorheiu Secuiesc | 1,063.09 mi (1,710.88 km) |
| Caldiran to Oltenita | 953.37 mi (1,534.29 km) |
| Caldiran to Onesti | 996.79 mi (1,604.18 km) |
| Caldiran to Oradea | 1,231.57 mi (1,982.01 km) |
| Caldiran to Orastie | 1,148.19 mi (1,847.83 km) |
| Caldiran to Oravita | 1,205.71 mi (1,940.40 km) |
| Caldiran to Orsova | 1,167.18 mi (1,878.40 km) |
| Caldiran to Otelu Rosu | 1,181.58 mi (1,901.56 km) |
| Caldiran to Otopeni | 988.92 mi (1,591.51 km) |
