| Odessa to Nasaud | 6,046.68 mi (9,731.20 km) |
| Odessa to Navodari | 6,334.12 mi (10,193.78 km) |
| Odessa to Negresti-Oas | 5,985.81 mi (9,633.23 km) |
| Odessa to Nehoiu | 6,206.31 mi (9,988.08 km) |
| Odessa to Ocna Mures | 6,074.09 mi (9,775.30 km) |
| Odessa to Odobesti | 6,209.13 mi (9,992.64 km) |
| Odessa to Odorheiu Secuiesc | 6,124.64 mi (9,856.66 km) |
| Odessa to Oltenita | 6,282.69 mi (10,111.01 km) |
| Odessa to Onesti | 6,174.14 mi (9,936.32 km) |
| Odessa to Oradea | 5,976.41 mi (9,618.11 km) |
| Odessa to Orastie | 6,079.38 mi (9,783.82 km) |
| Odessa to Oravita | 6,068.21 mi (9,765.85 km) |
| Odessa to Orsova | 6,108.13 mi (9,830.09 km) |
| Odessa to Otelu Rosu | 6,067.43 mi (9,764.58 km) |
| Odessa to Otopeni | 6,240.15 mi (10,042.55 km) |
