| Ilford to Orbetello | 817.78 mi (1,316.09 km) |
| Ilford to Oria | 1,131.42 mi (1,820.84 km) |
| Ilford to Oristano | 902.12 mi (1,451.82 km) |
| Ilford to Orta Nova | 1,022.03 mi (1,644.80 km) |
| Ilford to Orte | 852.69 mi (1,372.27 km) |
| Ilford to Ortona | 924.58 mi (1,487.96 km) |
| Ilford to Orvieto | 830.01 mi (1,335.77 km) |
| Ilford to Orzinuovi | 619.04 mi (996.24 km) |
| Ilford to Osimo | 835.51 mi (1,344.63 km) |
| Ilford to Ospitaletto | 615.94 mi (991.26 km) |
| Ilford to Ostuni | 1,117.67 mi (1,798.71 km) |
| Ilford to Ottaviano | 1,006.86 mi (1,620.38 km) |
| Ilford to Ovada | 619.26 mi (996.59 km) |
| Ilford to Ozieri | 868.86 mi (1,398.30 km) |
| Ilford to Paceco | 1,116.14 mi (1,796.25 km) |
