| Erbaa to Orbetello | 1,311.75 mi (2,111.06 km) |
| Erbaa to Oria | 991.65 mi (1,595.90 km) |
| Erbaa to Oristano | 1,469.16 mi (2,364.39 km) |
| Erbaa to Orta Nova | 1,085.88 mi (1,747.55 km) |
| Erbaa to Orte | 1,251.92 mi (2,014.77 km) |
| Erbaa to Ortona | 1,149.53 mi (1,849.98 km) |
| Erbaa to Orvieto | 1,265.26 mi (2,036.23 km) |
| Erbaa to Orzinuovi | 1,377.40 mi (2,216.71 km) |
| Erbaa to Osimo | 1,195.76 mi (1,924.38 km) |
| Erbaa to Ospitaletto | 1,371.48 mi (2,207.19 km) |
| Erbaa to Ostuni | 992.45 mi (1,597.20 km) |
| Erbaa to Ottaviano | 1,153.05 mi (1,855.66 km) |
| Erbaa to Ovada | 1,437.71 mi (2,313.78 km) |
| Erbaa to Ozieri | 1,439.46 mi (2,316.59 km) |
| Erbaa to Paceco | 1,292.84 mi (2,080.63 km) |
