| Hornsey to Nasaud | 1,135.37 mi (1,827.19 km) |
| Hornsey to Navodari | 1,409.95 mi (2,269.10 km) |
| Hornsey to Negresti-Oas | 1,077.25 mi (1,733.66 km) |
| Hornsey to Nehoiu | 1,276.35 mi (2,054.09 km) |
| Hornsey to Ocna Mures | 1,138.85 mi (1,832.79 km) |
| Hornsey to Odobesti | 1,295.03 mi (2,084.15 km) |
| Hornsey to Odorheiu Secuiesc | 1,202.48 mi (1,935.21 km) |
| Hornsey to Oltenita | 1,335.13 mi (2,148.68 km) |
| Hornsey to Onesti | 1,266.75 mi (2,038.63 km) |
| Hornsey to Oradea | 1,035.64 mi (1,666.71 km) |
| Hornsey to Orastie | 1,128.51 mi (1,816.16 km) |
| Hornsey to Oravita | 1,093.78 mi (1,760.28 km) |
| Hornsey to Orsova | 1,134.83 mi (1,826.33 km) |
| Hornsey to Otelu Rosu | 1,104.33 mi (1,777.26 km) |
| Hornsey to Otopeni | 1,294.44 mi (2,083.20 km) |
