| Watervliet to Nasaud | 4,466.87 mi (7,188.73 km) |
| Watervliet to Navodari | 4,752.50 mi (7,648.40 km) |
| Watervliet to Negresti-Oas | 4,406.01 mi (7,090.80 km) |
| Watervliet to Nehoiu | 4,619.71 mi (7,434.70 km) |
| Watervliet to Ocna Mures | 4,482.74 mi (7,214.27 km) |
| Watervliet to Odobesti | 4,630.95 mi (7,452.80 km) |
| Watervliet to Odorheiu Secuiesc | 4,540.90 mi (7,307.88 km) |
| Watervliet to Oltenita | 4,686.84 mi (7,542.73 km) |
| Watervliet to Onesti | 4,598.71 mi (7,400.91 km) |
| Watervliet to Oradea | 4,380.70 mi (7,050.05 km) |
| Watervliet to Orastie | 4,479.42 mi (7,208.93 km) |
| Watervliet to Oravita | 4,453.02 mi (7,166.44 km) |
| Watervliet to Orsova | 4,493.96 mi (7,232.33 km) |
| Watervliet to Otelu Rosu | 4,459.91 mi (7,177.53 km) |
| Watervliet to Otopeni | 4,644.99 mi (7,475.38 km) |
