| Greenfield to Nasaud | 4,964.61 mi (7,989.76 km) |
| Greenfield to Navodari | 5,252.50 mi (8,453.07 km) |
| Greenfield to Negresti-Oas | 4,903.55 mi (7,891.50 km) |
| Greenfield to Nehoiu | 5,123.14 mi (8,244.90 km) |
| Greenfield to Ocna Mures | 4,989.50 mi (8,029.82 km) |
| Greenfield to Odobesti | 5,127.95 mi (8,252.64 km) |
| Greenfield to Odorheiu Secuiesc | 5,041.89 mi (8,114.14 km) |
| Greenfield to Oltenita | 5,197.67 mi (8,364.84 km) |
| Greenfield to Onesti | 5,093.51 mi (8,197.21 km) |
| Greenfield to Oradea | 4,890.64 mi (7,870.72 km) |
| Greenfield to Orastie | 4,993.00 mi (8,035.45 km) |
| Greenfield to Oravita | 4,978.91 mi (8,012.79 km) |
| Greenfield to Orsova | 5,019.09 mi (8,077.44 km) |
| Greenfield to Otelu Rosu | 4,979.52 mi (8,013.77 km) |
| Greenfield to Otopeni | 5,155.17 mi (8,296.45 km) |
