| Langenhagen to Oestrich-Winkel | 184.59 mi (297.07 km) |
| Langenhagen to Offenburg | 285.74 mi (459.85 km) |
| Langenhagen to Oftersheim | 217.92 mi (350.71 km) |
| Langenhagen to Ohrdruf | 119.19 mi (191.82 km) |
| Langenhagen to Ohringen | 224.07 mi (360.60 km) |
| Langenhagen to Olbernhau | 197.02 mi (317.07 km) |
| Langenhagen to Olching | 301.04 mi (484.48 km) |
| Langenhagen to Oldenburg | 80.22 mi (129.10 km) |
| Langenhagen to Oldenburg in Holstein | 136.92 mi (220.35 km) |
| Langenhagen to Olfen | 111.83 mi (179.98 km) |
| Langenhagen to Olpe | 127.74 mi (205.59 km) |
| Langenhagen to Olsberg | 92.39 mi (148.69 km) |
| Langenhagen to Oranienburg | 148.35 mi (238.75 km) |
| Langenhagen to Ortenberg | 146.96 mi (236.50 km) |
| Langenhagen to Oschatz | 163.77 mi (263.57 km) |
