| Uslar to Navodari | 1,009.12 mi (1,624.03 km) |
| Uslar to Negresti-Oas | 667.44 mi (1,074.14 km) |
| Uslar to Nehoiu | 875.78 mi (1,409.43 km) |
| Uslar to Ocna Mures | 738.39 mi (1,188.32 km) |
| Uslar to Odobesti | 889.84 mi (1,432.05 km) |
| Uslar to Odorheiu Secuiesc | 798.35 mi (1,284.82 km) |
| Uslar to Oltenita | 942.27 mi (1,516.44 km) |
| Uslar to Onesti | 859.45 mi (1,383.14 km) |
| Uslar to Oradea | 636.03 mi (1,023.59 km) |
| Uslar to Orastie | 735.04 mi (1,182.94 km) |
| Uslar to Oravita | 716.27 mi (1,152.72 km) |
| Uslar to Orsova | 756.43 mi (1,217.36 km) |
| Uslar to Otelu Rosu | 717.96 mi (1,155.45 km) |
| Uslar to Otopeni | 900.32 mi (1,448.92 km) |
| Uslar to Ovidiu | 1,009.14 mi (1,624.06 km) |
