| Idil to Orbetello | 1,654.68 mi (2,662.95 km) |
| Idil to Oria | 1,317.98 mi (2,121.08 km) |
| Idil to Oristano | 1,795.95 mi (2,890.30 km) |
| Idil to Orta Nova | 1,420.39 mi (2,285.90 km) |
| Idil to Orte | 1,594.96 mi (2,566.84 km) |
| Idil to Ortona | 1,491.94 mi (2,401.05 km) |
| Idil to Orvieto | 1,609.92 mi (2,590.92 km) |
| Idil to Orzinuovi | 1,734.87 mi (2,792.00 km) |
| Idil to Osimo | 1,545.24 mi (2,486.82 km) |
| Idil to Ospitaletto | 1,729.56 mi (2,783.46 km) |
| Idil to Ostuni | 1,321.16 mi (2,126.20 km) |
| Idil to Ottaviano | 1,483.76 mi (2,387.88 km) |
| Idil to Ovada | 1,791.88 mi (2,883.74 km) |
| Idil to Ozieri | 1,770.78 mi (2,849.79 km) |
| Idil to Paceco | 1,598.95 mi (2,573.26 km) |
