| Dartford to Nasaud | 1,119.94 mi (1,802.37 km) |
| Dartford to Navodari | 1,393.95 mi (2,243.34 km) |
| Dartford to Negresti-Oas | 1,061.98 mi (1,709.09 km) |
| Dartford to Nehoiu | 1,260.38 mi (2,028.38 km) |
| Dartford to Ocna Mures | 1,122.92 mi (1,807.17 km) |
| Dartford to Odobesti | 1,279.33 mi (2,058.88 km) |
| Dartford to Odorheiu Secuiesc | 1,186.74 mi (1,909.88 km) |
| Dartford to Oltenita | 1,318.77 mi (2,122.35 km) |
| Dartford to Onesti | 1,251.20 mi (2,013.61 km) |
| Dartford to Oradea | 1,019.73 mi (1,641.10 km) |
| Dartford to Orastie | 1,112.27 mi (1,790.02 km) |
| Dartford to Oravita | 1,077.03 mi (1,733.32 km) |
| Dartford to Orsova | 1,118.08 mi (1,799.37 km) |
| Dartford to Otelu Rosu | 1,087.84 mi (1,750.71 km) |
| Dartford to Otopeni | 1,278.15 mi (2,056.98 km) |
