| Sola to Navodari | 1,395.80 mi (2,246.32 km) |
| Sola to Negresti-Oas | 1,050.89 mi (1,691.25 km) |
| Sola to Nehoiu | 1,271.92 mi (2,046.96 km) |
| Sola to Ocna Mures | 1,145.71 mi (1,843.84 km) |
| Sola to Odobesti | 1,270.60 mi (2,044.84 km) |
| Sola to Odorheiu Secuiesc | 1,189.83 mi (1,914.84 km) |
| Sola to Oltenita | 1,353.23 mi (2,177.82 km) |
| Sola to Onesti | 1,234.90 mi (1,987.38 km) |
| Sola to Oradea | 1,055.19 mi (1,698.16 km) |
| Sola to Orastie | 1,159.17 mi (1,865.51 km) |
| Sola to Oravita | 1,168.99 mi (1,881.31 km) |
| Sola to Orsova | 1,205.16 mi (1,939.51 km) |
| Sola to Otelu Rosu | 1,156.89 mi (1,861.84 km) |
| Sola to Otopeni | 1,311.05 mi (2,109.93 km) |
| Sola to Ovidiu | 1,397.12 mi (2,248.44 km) |
