| Cities | Distance |
|---|---|
| Erba to Oria | 560.60 mi (902.20 km) |
| Erba to Oristano | 409.62 mi (659.23 km) |
| Erba to Orta Nova | 448.89 mi (722.43 km) |
| Erba to Orte | 280.09 mi (450.75 km) |
| Erba to Ortona | 351.36 mi (565.46 km) |
| Erba to Orvieto | 257.50 mi (414.40 km) |
| Erba to Orzinuovi | 45.04 mi (72.48 km) |
| Erba to Osimo | 264.46 mi (425.61 km) |
| Erba to Ospitaletto | 45.12 mi (72.61 km) |
| Erba to Ostuni | 547.66 mi (881.37 km) |
| Erba to Ottaviano | 432.99 mi (696.83 km) |
| Erba to Ovada | 85.96 mi (138.34 km) |
| Erba to Ozieri | 361.64 mi (582.01 km) |
| Erba to Paceco | 567.59 mi (913.45 km) |
| Erba to Pachino | 698.57 mi (1,124.23 km) |