| Greensboro to Nasaud | 5,020.21 mi (8,079.24 km) |
| Greensboro to Navodari | 5,304.73 mi (8,537.14 km) |
| Greensboro to Negresti-Oas | 4,959.53 mi (7,981.60 km) |
| Greensboro to Nehoiu | 5,171.56 mi (8,322.82 km) |
| Greensboro to Ocna Mures | 5,034.23 mi (8,101.80 km) |
| Greensboro to Odobesti | 5,184.06 mi (8,342.94 km) |
| Greensboro to Odorheiu Secuiesc | 5,093.44 mi (8,197.09 km) |
| Greensboro to Oltenita | 5,236.91 mi (8,427.99 km) |
| Greensboro to Onesti | 5,152.30 mi (8,291.83 km) |
| Greensboro to Oradea | 4,931.77 mi (7,936.91 km) |
| Greensboro to Orastie | 5,029.42 mi (8,094.07 km) |
| Greensboro to Oravita | 5,000.07 mi (8,046.83 km) |
| Greensboro to Orsova | 5,041.09 mi (8,112.84 km) |
| Greensboro to Otelu Rosu | 5,008.53 mi (8,060.45 km) |
| Greensboro to Otopeni | 5,195.31 mi (8,361.05 km) |
