| Hamina to Navodari | 1,123.97 mi (1,808.86 km) |
| Hamina to Negresti-Oas | 890.09 mi (1,432.47 km) |
| Hamina to Nehoiu | 1,051.79 mi (1,692.70 km) |
| Hamina to Ocna Mures | 988.78 mi (1,591.29 km) |
| Hamina to Odobesti | 1,022.60 mi (1,645.71 km) |
| Hamina to Odorheiu Secuiesc | 987.76 mi (1,589.65 km) |
| Hamina to Oltenita | 1,138.90 mi (1,832.88 km) |
| Hamina to Onesti | 988.75 mi (1,591.24 km) |
| Hamina to Oradea | 956.16 mi (1,538.80 km) |
| Hamina to Orastie | 1,029.74 mi (1,657.20 km) |
| Hamina to Oravita | 1,096.29 mi (1,764.30 km) |
| Hamina to Orsova | 1,112.18 mi (1,789.89 km) |
| Hamina to Otelu Rosu | 1,058.34 mi (1,703.23 km) |
| Hamina to Otopeni | 1,107.62 mi (1,782.55 km) |
| Hamina to Ovidiu | 1,127.39 mi (1,814.36 km) |
