| Sangerhausen to Navodari | 938.34 mi (1,510.12 km) |
| Sangerhausen to Negresti-Oas | 595.48 mi (958.33 km) |
| Sangerhausen to Nehoiu | 805.21 mi (1,295.85 km) |
| Sangerhausen to Ocna Mures | 668.07 mi (1,075.16 km) |
| Sangerhausen to Odobesti | 818.43 mi (1,317.14 km) |
| Sangerhausen to Odorheiu Secuiesc | 727.23 mi (1,170.36 km) |
| Sangerhausen to Oltenita | 873.04 mi (1,405.02 km) |
| Sangerhausen to Onesti | 787.72 mi (1,267.72 km) |
| Sangerhausen to Oradea | 566.16 mi (911.14 km) |
| Sangerhausen to Orastie | 666.20 mi (1,072.14 km) |
| Sangerhausen to Oravita | 651.10 mi (1,047.85 km) |
| Sangerhausen to Orsova | 690.84 mi (1,111.80 km) |
| Sangerhausen to Otelu Rosu | 650.75 mi (1,047.28 km) |
| Sangerhausen to Otopeni | 830.92 mi (1,337.24 km) |
| Sangerhausen to Ovidiu | 938.44 mi (1,510.27 km) |
