| Someren to Navodari | 1,161.96 mi (1,870.00 km) |
| Someren to Negresti-Oas | 826.51 mi (1,330.14 km) |
| Someren to Nehoiu | 1,028.27 mi (1,654.85 km) |
| Someren to Ocna Mures | 890.58 mi (1,433.25 km) |
| Someren to Odobesti | 1,045.60 mi (1,682.73 km) |
| Someren to Odorheiu Secuiesc | 953.25 mi (1,534.11 km) |
| Someren to Oltenita | 1,089.74 mi (1,753.77 km) |
| Someren to Onesti | 1,016.73 mi (1,636.26 km) |
| Someren to Oradea | 787.41 mi (1,267.22 km) |
| Someren to Orastie | 882.44 mi (1,420.15 km) |
| Someren to Oravita | 853.27 mi (1,373.20 km) |
| Someren to Orsova | 894.17 mi (1,439.03 km) |
| Someren to Otelu Rosu | 860.63 mi (1,385.05 km) |
| Someren to Otopeni | 1,048.53 mi (1,687.45 km) |
| Someren to Ovidiu | 1,161.68 mi (1,869.54 km) |
