| Roma to Nasaud | 6,248.80 mi (10,056.48 km) |
| Roma to Navodari | 6,536.52 mi (10,519.51 km) |
| Roma to Negresti-Oas | 6,187.67 mi (9,958.10 km) |
| Roma to Nehoiu | 6,405.55 mi (10,308.74 km) |
| Roma to Ocna Mures | 6,270.25 mi (10,091.00 km) |
| Roma to Odobesti | 6,412.80 mi (10,320.40 km) |
| Roma to Odorheiu Secuiesc | 6,325.06 mi (10,179.20 km) |
| Roma to Oltenita | 6,477.20 mi (10,424.05 km) |
| Roma to Onesti | 6,379.06 mi (10,266.11 km) |
| Roma to Oradea | 6,169.82 mi (9,929.37 km) |
| Roma to Orastie | 6,270.85 mi (10,091.95 km) |
| Roma to Oravita | 6,250.84 mi (10,059.75 km) |
| Roma to Orsova | 6,291.50 mi (10,125.18 km) |
| Roma to Otelu Rosu | 6,254.56 mi (10,065.74 km) |
| Roma to Otopeni | 6,434.88 mi (10,355.95 km) |
