| Erzincan to Orbetello | 1,477.31 mi (2,377.50 km) |
| Erzincan to Oria | 1,153.05 mi (1,855.65 km) |
| Erzincan to Oristano | 1,631.39 mi (2,625.48 km) |
| Erzincan to Orta Nova | 1,249.51 mi (2,010.90 km) |
| Erzincan to Orte | 1,417.47 mi (2,281.19 km) |
| Erzincan to Ortona | 1,314.89 mi (2,116.11 km) |
| Erzincan to Orvieto | 1,431.08 mi (2,303.10 km) |
| Erzincan to Orzinuovi | 1,544.27 mi (2,485.27 km) |
| Erzincan to Osimo | 1,362.22 mi (2,192.28 km) |
| Erzincan to Ospitaletto | 1,538.33 mi (2,475.70 km) |
| Erzincan to Ostuni | 1,154.49 mi (1,857.97 km) |
| Erzincan to Ottaviano | 1,315.87 mi (2,117.69 km) |
| Erzincan to Ovada | 1,604.59 mi (2,582.34 km) |
| Erzincan to Ozieri | 1,602.75 mi (2,579.38 km) |
| Erzincan to Paceco | 1,449.03 mi (2,331.99 km) |
