| Prairie Ridge to Nasaud | 5,607.81 mi (9,024.91 km) |
| Prairie Ridge to Navodari | 5,871.20 mi (9,448.78 km) |
| Prairie Ridge to Negresti-Oas | 5,552.82 mi (8,936.40 km) |
| Prairie Ridge to Nehoiu | 5,765.18 mi (9,278.15 km) |
| Prairie Ridge to Ocna Mures | 5,654.99 mi (9,100.83 km) |
| Prairie Ridge to Odobesti | 5,751.52 mi (9,256.17 km) |
| Prairie Ridge to Odorheiu Secuiesc | 5,685.77 mi (9,150.36 km) |
| Prairie Ridge to Oltenita | 5,852.74 mi (9,419.07 km) |
| Prairie Ridge to Onesti | 5,714.68 mi (9,196.89 km) |
| Prairie Ridge to Oradea | 5,575.47 mi (8,972.85 km) |
| Prairie Ridge to Orastie | 5,677.15 mi (9,136.49 km) |
| Prairie Ridge to Oravita | 5,699.27 mi (9,172.09 km) |
| Prairie Ridge to Orsova | 5,733.17 mi (9,226.65 km) |
| Prairie Ridge to Otelu Rosu | 5,682.05 mi (9,144.38 km) |
| Prairie Ridge to Otopeni | 5,812.83 mi (9,354.85 km) |
