| Petersburg to Nasaud | 4,871.19 mi (7,839.43 km) |
| Petersburg to Navodari | 5,155.20 mi (8,296.50 km) |
| Petersburg to Negresti-Oas | 4,810.61 mi (7,741.93 km) |
| Petersburg to Nehoiu | 5,021.91 mi (8,081.98 km) |
| Petersburg to Ocna Mures | 4,884.48 mi (7,860.80 km) |
| Petersburg to Odobesti | 5,034.91 mi (8,102.90 km) |
| Petersburg to Odorheiu Secuiesc | 4,944.07 mi (7,956.72 km) |
| Petersburg to Oltenita | 5,086.62 mi (8,186.13 km) |
| Petersburg to Onesti | 5,003.37 mi (8,052.15 km) |
| Petersburg to Oradea | 4,781.89 mi (7,695.70 km) |
| Petersburg to Orastie | 4,879.15 mi (7,852.23 km) |
| Petersburg to Oravita | 4,848.94 mi (7,803.61 km) |
| Petersburg to Orsova | 4,889.96 mi (7,869.64 km) |
| Petersburg to Otelu Rosu | 4,857.84 mi (7,817.94 km) |
| Petersburg to Otopeni | 5,045.12 mi (8,119.34 km) |
