| Cities | Distance |
|---|---|
| Niscemi to Oria | 290.09 mi (466.85 km) |
| Niscemi to Oristano | 366.29 mi (589.49 km) |
| Niscemi to Orta Nova | 297.47 mi (478.73 km) |
| Niscemi to Orte | 381.88 mi (614.58 km) |
| Niscemi to Ortona | 359.29 mi (578.22 km) |
| Niscemi to Orvieto | 403.09 mi (648.72 km) |
| Niscemi to Orzinuovi | 614.82 mi (989.45 km) |
| Niscemi to Osimo | 440.14 mi (708.34 km) |
| Niscemi to Ospitaletto | 622.04 mi (1,001.07 km) |
| Niscemi to Ostuni | 301.39 mi (485.05 km) |
| Niscemi to Ottaviano | 255.70 mi (411.50 km) |
| Niscemi to Ovada | 597.57 mi (961.69 km) |
| Niscemi to Ozieri | 374.16 mi (602.14 km) |
| Niscemi to Paceco | 115.74 mi (186.26 km) |
| Niscemi to Pachino | 49.63 mi (79.87 km) |