| Cities | Distance |
|---|---|
| Rotterdam to Orbetello | 726.01 mi (1,168.40 km) |
| Rotterdam to Oria | 1,005.04 mi (1,617.45 km) |
| Rotterdam to Oristano | 852.51 mi (1,371.98 km) |
| Rotterdam to Orta Nova | 902.22 mi (1,451.99 km) |
| Rotterdam to Orte | 750.00 mi (1,207.00 km) |
| Rotterdam to Ortona | 806.79 mi (1,298.40 km) |
| Rotterdam to Orvieto | 727.77 mi (1,171.24 km) |
| Rotterdam to Orzinuovi | 513.69 mi (826.70 km) |
| Rotterdam to Osimo | 715.80 mi (1,151.97 km) |
| Rotterdam to Ospitaletto | 507.28 mi (816.39 km) |
| Rotterdam to Ostuni | 990.22 mi (1,593.61 km) |
| Rotterdam to Ottaviano | 898.60 mi (1,446.16 km) |
| Rotterdam to Ovada | 537.54 mi (865.08 km) |
| Rotterdam to Ozieri | 811.57 mi (1,306.10 km) |
| Rotterdam to Paceco | 1,038.54 mi (1,671.37 km) |