| Peso da Regua to Navodari | 1,844.02 mi (2,967.66 km) |
| Peso da Regua to Negresti-Oas | 1,593.06 mi (2,563.79 km) |
| Peso da Regua to Nehoiu | 1,725.86 mi (2,777.50 km) |
| Peso da Regua to Ocna Mures | 1,607.52 mi (2,587.05 km) |
| Peso da Regua to Odobesti | 1,761.49 mi (2,834.84 km) |
| Peso da Regua to Odorheiu Secuiesc | 1,676.19 mi (2,697.57 km) |
| Peso da Regua to Oltenita | 1,748.24 mi (2,813.52 km) |
| Peso da Regua to Onesti | 1,746.28 mi (2,810.37 km) |
| Peso da Regua to Oradea | 1,518.34 mi (2,443.53 km) |
| Peso da Regua to Orastie | 1,575.22 mi (2,535.06 km) |
| Peso da Regua to Oravita | 1,501.54 mi (2,416.50 km) |
| Peso da Regua to Orsova | 1,536.66 mi (2,473.01 km) |
| Peso da Regua to Otelu Rosu | 1,534.09 mi (2,468.87 km) |
| Peso da Regua to Otopeni | 1,717.64 mi (2,764.28 km) |
| Peso da Regua to Ovidiu | 1,841.78 mi (2,964.05 km) |
