| Cities | Distance |
|---|---|
| Gien to Oria | 893.08 mi (1,437.27 km) |
| Gien to Oristano | 614.69 mi (989.25 km) |
| Gien to Orta Nova | 778.90 mi (1,253.52 km) |
| Gien to Orte | 597.37 mi (961.38 km) |
| Gien to Ortona | 682.40 mi (1,098.22 km) |
| Gien to Orvieto | 575.14 mi (925.61 km) |
| Gien to Orzinuovi | 381.65 mi (614.20 km) |
| Gien to Osimo | 599.58 mi (964.93 km) |
| Gien to Ospitaletto | 382.97 mi (616.34 km) |
| Gien to Ostuni | 881.00 mi (1,417.83 km) |
| Gien to Ottaviano | 752.01 mi (1,210.24 km) |
| Gien to Ovada | 357.15 mi (574.78 km) |
| Gien to Ozieri | 583.97 mi (939.81 km) |
| Gien to Paceco | 837.21 mi (1,347.35 km) |
| Gien to Pachino | 989.06 mi (1,591.74 km) |