| Box Elder to Nasaud | 5,360.63 mi (8,627.10 km) |
| Box Elder to Navodari | 5,643.75 mi (9,082.74 km) |
| Box Elder to Negresti-Oas | 5,300.95 mi (8,531.05 km) |
| Box Elder to Nehoiu | 5,521.82 mi (8,886.52 km) |
| Box Elder to Ocna Mures | 5,395.58 mi (8,683.35 km) |
| Box Elder to Odobesti | 5,518.81 mi (8,881.67 km) |
| Box Elder to Odorheiu Secuiesc | 5,439.75 mi (8,754.44 km) |
| Box Elder to Oltenita | 5,603.38 mi (9,017.77 km) |
| Box Elder to Onesti | 5,482.66 mi (8,823.48 km) |
| Box Elder to Oradea | 5,303.05 mi (8,534.43 km) |
| Box Elder to Orastie | 5,407.13 mi (8,701.93 km) |
| Box Elder to Oravita | 5,408.19 mi (8,703.65 km) |
| Box Elder to Orsova | 5,446.47 mi (8,765.25 km) |
| Box Elder to Otelu Rosu | 5,401.23 mi (8,692.44 km) |
| Box Elder to Otopeni | 5,561.16 mi (8,949.82 km) |
