| Perl to Navodari | 1,104.08 mi (1,776.84 km) |
| Perl to Negresti-Oas | 784.40 mi (1,262.37 km) |
| Perl to Nehoiu | 971.33 mi (1,563.21 km) |
| Perl to Ocna Mures | 835.19 mi (1,344.11 km) |
| Perl to Odobesti | 993.89 mi (1,599.52 km) |
| Perl to Odorheiu Secuiesc | 901.27 mi (1,450.45 km) |
| Perl to Oltenita | 1,024.71 mi (1,649.12 km) |
| Perl to Onesti | 968.14 mi (1,558.08 km) |
| Perl to Oradea | 732.80 mi (1,179.33 km) |
| Perl to Orastie | 820.23 mi (1,320.04 km) |
| Perl to Oravita | 778.99 mi (1,253.66 km) |
| Perl to Orsova | 819.97 mi (1,319.61 km) |
| Perl to Otelu Rosu | 792.73 mi (1,275.78 km) |
| Perl to Otopeni | 985.01 mi (1,585.22 km) |
| Perl to Ovidiu | 1,103.31 mi (1,775.61 km) |
