| Cities | Distance |
|---|---|
| Tortona to Orbetello | 206.20 mi (331.84 km) |
| Tortona to Oria | 538.41 mi (866.48 km) |
| Tortona to Oristano | 344.95 mi (555.14 km) |
| Tortona to Orta Nova | 423.84 mi (682.11 km) |
| Tortona to Orte | 243.32 mi (391.59 km) |
| Tortona to Ortona | 327.80 mi (527.54 km) |
| Tortona to Orvieto | 220.83 mi (355.38 km) |
| Tortona to Orzinuovi | 62.68 mi (100.87 km) |
| Tortona to Osimo | 248.63 mi (400.13 km) |
| Tortona to Ospitaletto | 74.43 mi (119.79 km) |
| Tortona to Ostuni | 526.69 mi (847.63 km) |
| Tortona to Ottaviano | 398.35 mi (641.08 km) |
| Tortona to Ovada | 20.64 mi (33.22 km) |
| Tortona to Ozieri | 297.83 mi (479.30 km) |
| Tortona to Paceco | 514.07 mi (827.32 km) |