| Sacavem to Orbetello | 1,092.09 mi (1,757.55 km) |
| Sacavem to Oria | 1,421.93 mi (2,288.38 km) |
| Sacavem to Oristano | 947.08 mi (1,524.18 km) |
| Sacavem to Orta Nova | 1,319.37 mi (2,123.32 km) |
| Sacavem to Orte | 1,151.75 mi (1,853.56 km) |
| Sacavem to Ortona | 1,253.59 mi (2,017.46 km) |
| Sacavem to Orvieto | 1,139.67 mi (1,834.12 km) |
| Sacavem to Orzinuovi | 1,073.97 mi (1,728.39 km) |
| Sacavem to Osimo | 1,214.99 mi (1,955.34 km) |
| Sacavem to Ospitaletto | 1,083.82 mi (1,744.24 km) |
| Sacavem to Ostuni | 1,418.29 mi (2,282.52 km) |
| Sacavem to Ottaviano | 1,255.64 mi (2,020.76 km) |
| Sacavem to Ovada | 997.92 mi (1,605.99 km) |
| Sacavem to Ozieri | 968.97 mi (1,559.41 km) |
| Sacavem to Paceco | 1,171.37 mi (1,885.14 km) |
