| Forest Park to Nasaud | 5,033.50 mi (8,100.64 km) |
| Forest Park to Navodari | 5,320.81 mi (8,563.01 km) |
| Forest Park to Negresti-Oas | 4,972.40 mi (8,002.31 km) |
| Forest Park to Nehoiu | 5,189.18 mi (8,351.18 km) |
| Forest Park to Ocna Mures | 5,053.30 mi (8,132.51 km) |
| Forest Park to Odobesti | 5,197.67 mi (8,364.84 km) |
| Forest Park to Odorheiu Secuiesc | 5,109.14 mi (8,222.36 km) |
| Forest Park to Oltenita | 5,259.60 mi (8,464.51 km) |
| Forest Park to Onesti | 5,164.39 mi (8,311.28 km) |
| Forest Park to Oradea | 4,952.37 mi (7,970.06 km) |
| Forest Park to Orastie | 5,052.85 mi (8,131.78 km) |
| Forest Park to Oravita | 5,031.41 mi (8,097.28 km) |
| Forest Park to Orsova | 5,072.14 mi (8,162.82 km) |
| Forest Park to Otelu Rosu | 5,035.79 mi (8,104.32 km) |
| Forest Park to Otopeni | 5,217.38 mi (8,396.57 km) |
