| Santo Andre to Orbetello | 1,092.67 mi (1,758.49 km) |
| Santo Andre to Oria | 1,415.92 mi (2,278.70 km) |
| Santo Andre to Oristano | 938.72 mi (1,510.73 km) |
| Santo Andre to Orta Nova | 1,315.62 mi (2,117.28 km) |
| Santo Andre to Orte | 1,152.02 mi (1,853.99 km) |
| Santo Andre to Ortona | 1,253.03 mi (2,016.56 km) |
| Santo Andre to Orvieto | 1,140.88 mi (1,836.08 km) |
| Santo Andre to Orzinuovi | 1,085.43 mi (1,746.84 km) |
| Santo Andre to Osimo | 1,218.19 mi (1,960.49 km) |
| Santo Andre to Ospitaletto | 1,095.67 mi (1,763.31 km) |
| Santo Andre to Ostuni | 1,412.91 mi (2,273.85 km) |
| Santo Andre to Ottaviano | 1,250.47 mi (2,012.43 km) |
| Santo Andre to Ovada | 1,007.89 mi (1,622.04 km) |
| Santo Andre to Ozieri | 963.27 mi (1,550.24 km) |
| Santo Andre to Paceco | 1,156.90 mi (1,861.85 km) |
