| Croydon to Nasaud | 1,133.69 mi (1,824.50 km) |
| Croydon to Navodari | 1,407.24 mi (2,264.73 km) |
| Croydon to Negresti-Oas | 1,075.83 mi (1,731.39 km) |
| Croydon to Nehoiu | 1,273.70 mi (2,049.82 km) |
| Croydon to Ocna Mures | 1,136.30 mi (1,828.69 km) |
| Croydon to Odobesti | 1,292.88 mi (2,080.68 km) |
| Croydon to Odorheiu Secuiesc | 1,200.27 mi (1,931.65 km) |
| Croydon to Oltenita | 1,331.71 mi (2,143.19 km) |
| Croydon to Onesti | 1,264.87 mi (2,035.61 km) |
| Croydon to Oradea | 1,033.13 mi (1,662.66 km) |
| Croydon to Orastie | 1,125.34 mi (1,811.06 km) |
| Croydon to Oravita | 1,089.50 mi (1,753.38 km) |
| Croydon to Orsova | 1,130.54 mi (1,819.43 km) |
| Croydon to Otelu Rosu | 1,100.64 mi (1,771.31 km) |
| Croydon to Otopeni | 1,291.17 mi (2,077.94 km) |
