| Cities | Distance |
|---|---|
| Diez to Oria | 824.68 mi (1,327.19 km) |
| Diez to Oristano | 723.60 mi (1,164.52 km) |
| Diez to Orta Nova | 725.25 mi (1,167.18 km) |
| Diez to Orte | 584.60 mi (940.83 km) |
| Diez to Ortona | 631.73 mi (1,016.68 km) |
| Diez to Orvieto | 563.18 mi (906.35 km) |
| Diez to Orzinuovi | 354.72 mi (570.87 km) |
| Diez to Osimo | 540.96 mi (870.59 km) |
| Diez to Ospitaletto | 346.03 mi (556.88 km) |
| Diez to Ostuni | 809.54 mi (1,302.82 km) |
| Diez to Ottaviano | 727.52 mi (1,170.84 km) |
| Diez to Ovada | 397.10 mi (639.08 km) |
| Diez to Ozieri | 677.81 mi (1,090.84 km) |
| Diez to Paceco | 884.46 mi (1,423.40 km) |
| Diez to Pachino | 1,006.78 mi (1,620.25 km) |