| Monrovia to Nasaud | 6,345.52 mi (10,212.13 km) |
| Monrovia to Navodari | 6,622.38 mi (10,657.69 km) |
| Monrovia to Negresti-Oas | 6,287.32 mi (10,118.46 km) |
| Monrovia to Nehoiu | 6,506.22 mi (10,470.75 km) |
| Monrovia to Ocna Mures | 6,385.54 mi (10,276.53 km) |
| Monrovia to Odobesti | 6,498.82 mi (10,458.84 km) |
| Monrovia to Odorheiu Secuiesc | 6,424.69 mi (10,339.54 km) |
| Monrovia to Oltenita | 6,590.72 mi (10,606.73 km) |
| Monrovia to Onesti | 6,462.14 mi (10,399.81 km) |
| Monrovia to Oradea | 6,297.39 mi (10,134.67 km) |
| Monrovia to Orastie | 6,401.22 mi (10,301.77 km) |
| Monrovia to Oravita | 6,410.00 mi (10,315.90 km) |
| Monrovia to Orsova | 6,446.95 mi (10,375.36 km) |
| Monrovia to Otelu Rosu | 6,399.30 mi (10,298.68 km) |
| Monrovia to Otopeni | 6,549.14 mi (10,539.83 km) |
