| Ilkeston to Nasaud | 1,197.25 mi (1,926.79 km) |
| Ilkeston to Navodari | 1,477.09 mi (2,377.14 km) |
| Ilkeston to Negresti-Oas | 1,137.81 mi (1,831.13 km) |
| Ilkeston to Nehoiu | 1,343.45 mi (2,162.07 km) |
| Ilkeston to Ocna Mures | 1,205.75 mi (1,940.46 km) |
| Ilkeston to Odobesti | 1,359.26 mi (2,187.51 km) |
| Ilkeston to Odorheiu Secuiesc | 1,267.30 mi (2,039.53 km) |
| Ilkeston to Oltenita | 1,406.33 mi (2,263.26 km) |
| Ilkeston to Onesti | 1,329.43 mi (2,139.51 km) |
| Ilkeston to Oradea | 1,102.74 mi (1,774.70 km) |
| Ilkeston to Orastie | 1,198.90 mi (1,929.45 km) |
| Ilkeston to Oravita | 1,170.25 mi (1,883.34 km) |
| Ilkeston to Orsova | 1,211.18 mi (1,949.20 km) |
| Ilkeston to Otelu Rosu | 1,177.64 mi (1,895.23 km) |
| Ilkeston to Otopeni | 1,364.95 mi (2,196.68 km) |
