| Ilica to Orbetello | 1,555.62 mi (2,503.53 km) |
| Ilica to Oria | 1,235.21 mi (1,987.88 km) |
| Ilica to Oristano | 1,713.09 mi (2,756.94 km) |
| Ilica to Orta Nova | 1,330.09 mi (2,140.57 km) |
| Ilica to Orte | 1,495.81 mi (2,407.27 km) |
| Ilica to Ortona | 1,393.52 mi (2,242.66 km) |
| Ilica to Orvieto | 1,508.94 mi (2,428.40 km) |
| Ilica to Orzinuovi | 1,616.83 mi (2,602.03 km) |
| Ilica to Osimo | 1,438.60 mi (2,315.20 km) |
| Ilica to Ospitaletto | 1,610.53 mi (2,591.90 km) |
| Ilica to Ostuni | 1,236.26 mi (1,989.57 km) |
| Ilica to Ottaviano | 1,397.12 mi (2,248.44 km) |
| Ilica to Ovada | 1,678.75 mi (2,701.69 km) |
| Ilica to Ozieri | 1,683.64 mi (2,709.55 km) |
| Ilica to Paceco | 1,533.48 mi (2,467.90 km) |
