| Gunzburg to Oestrich-Winkel | 148.08 mi (238.32 km) |
| Gunzburg to Offenburg | 107.13 mi (172.40 km) |
| Gunzburg to Oftersheim | 99.43 mi (160.02 km) |
| Gunzburg to Ohrdruf | 165.42 mi (266.21 km) |
| Gunzburg to Ohringen | 62.42 mi (100.46 km) |
| Gunzburg to Olbernhau | 205.47 mi (330.67 km) |
| Gunzburg to Olching | 51.10 mi (82.24 km) |
| Gunzburg to Oldenburg | 336.32 mi (541.25 km) |
| Gunzburg to Oldenburg in Holstein | 404.87 mi (651.57 km) |
| Gunzburg to Olfen | 259.28 mi (417.27 km) |
| Gunzburg to Olpe | 207.91 mi (334.60 km) |
| Gunzburg to Olsberg | 215.40 mi (346.66 km) |
| Gunzburg to Oranienburg | 324.35 mi (522.00 km) |
| Gunzburg to Ortenberg | 142.40 mi (229.17 km) |
| Gunzburg to Oschatz | 233.74 mi (376.17 km) |
