| Cities | Distance |
|---|---|
| Niel to Oria | 970.85 mi (1,562.43 km) |
| Niel to Oristano | 801.21 mi (1,289.43 km) |
| Niel to Orta Nova | 865.68 mi (1,393.18 km) |
| Niel to Orte | 708.17 mi (1,139.70 km) |
| Niel to Ortona | 769.35 mi (1,238.15 km) |
| Niel to Orvieto | 685.75 mi (1,103.60 km) |
| Niel to Orzinuovi | 471.25 mi (758.41 km) |
| Niel to Osimo | 678.63 mi (1,092.15 km) |
| Niel to Ospitaletto | 465.69 mi (749.45 km) |
| Niel to Ostuni | 956.36 mi (1,539.11 km) |
| Niel to Ottaviano | 858.71 mi (1,381.97 km) |
| Niel to Ovada | 489.94 mi (788.49 km) |
| Niel to Ozieri | 761.19 mi (1,225.02 km) |
| Niel to Paceco | 992.05 mi (1,596.55 km) |
| Niel to Pachino | 1,127.35 mi (1,814.30 km) |