| Darlington to Nasaud | 1,227.66 mi (1,975.73 km) |
| Darlington to Navodari | 1,511.92 mi (2,433.21 km) |
| Darlington to Negresti-Oas | 1,167.18 mi (1,878.40 km) |
| Darlington to Nehoiu | 1,378.90 mi (2,219.13 km) |
| Darlington to Ocna Mures | 1,241.81 mi (1,998.50 km) |
| Darlington to Odobesti | 1,391.31 mi (2,239.10 km) |
| Darlington to Odorheiu Secuiesc | 1,300.57 mi (2,093.07 km) |
| Darlington to Oltenita | 1,446.27 mi (2,327.55 km) |
| Darlington to Onesti | 1,359.90 mi (2,188.54 km) |
| Darlington to Oradea | 1,139.78 mi (1,834.29 km) |
| Darlington to Orastie | 1,239.05 mi (1,994.06 km) |
| Darlington to Oravita | 1,217.78 mi (1,959.83 km) |
| Darlington to Orsova | 1,258.33 mi (2,025.08 km) |
| Darlington to Otelu Rosu | 1,221.35 mi (1,965.58 km) |
| Darlington to Otopeni | 1,404.29 mi (2,259.98 km) |
