| Ilkeston to Olivares | 1,099.61 mi (1,769.65 km) |
| Ilkeston to Olivenza | 1,024.80 mi (1,649.26 km) |
| Ilkeston to Olot | 765.88 mi (1,232.57 km) |
| Ilkeston to Onate | 688.51 mi (1,108.05 km) |
| Ilkeston to Onda | 900.15 mi (1,448.65 km) |
| Ilkeston to Onteniente | 978.16 mi (1,574.19 km) |
| Ilkeston to Orihuela | 1,028.63 mi (1,655.42 km) |
| Ilkeston to Osuna | 1,102.58 mi (1,774.43 km) |
| Ilkeston to Ourense | 794.77 mi (1,279.07 km) |
| Ilkeston to Oviedo | 695.82 mi (1,119.82 km) |
| Ilkeston to Paiporta | 936.69 mi (1,507.46 km) |
| Ilkeston to Pajara | 1,822.11 mi (2,932.40 km) |
| Ilkeston to Palafolls | 803.36 mi (1,292.88 km) |
| Ilkeston to Palafrugell | 791.41 mi (1,273.64 km) |
| Ilkeston to Palamos | 795.80 mi (1,280.72 km) |
