| Oliva to Nasaud | 1,358.02 mi (2,185.52 km) |
| Oliva to Navodari | 1,521.84 mi (2,449.17 km) |
| Oliva to Negresti-Oas | 1,326.65 mi (2,135.03 km) |
| Oliva to Nehoiu | 1,417.55 mi (2,281.32 km) |
| Oliva to Ocna Mures | 1,316.78 mi (2,119.15 km) |
| Oliva to Odobesti | 1,458.43 mi (2,347.12 km) |
| Oliva to Odorheiu Secuiesc | 1,382.42 mi (2,224.79 km) |
| Oliva to Oltenita | 1,422.95 mi (2,290.01 km) |
| Oliva to Onesti | 1,450.27 mi (2,333.99 km) |
| Oliva to Oradea | 1,242.33 mi (1,999.33 km) |
| Oliva to Orastie | 1,277.05 mi (2,055.21 km) |
| Oliva to Oravita | 1,192.65 mi (1,919.39 km) |
| Oliva to Orsova | 1,222.08 mi (1,966.74 km) |
| Oliva to Otelu Rosu | 1,231.89 mi (1,982.54 km) |
| Oliva to Otopeni | 1,398.50 mi (2,250.66 km) |
