| Gunzenhausen to Oestrich-Winkel | 137.76 mi (221.70 km) |
| Gunzenhausen to Offenburg | 135.98 mi (218.83 km) |
| Gunzenhausen to Oftersheim | 99.44 mi (160.04 km) |
| Gunzenhausen to Ohrdruf | 118.39 mi (190.53 km) |
| Gunzenhausen to Ohringen | 56.98 mi (91.70 km) |
| Gunzenhausen to Olbernhau | 157.08 mi (252.79 km) |
| Gunzenhausen to Olching | 68.21 mi (109.78 km) |
| Gunzenhausen to Oldenburg | 299.34 mi (481.74 km) |
| Gunzenhausen to Oldenburg in Holstein | 358.31 mi (576.65 km) |
| Gunzenhausen to Olfen | 233.07 mi (375.09 km) |
| Gunzenhausen to Olpe | 184.50 mi (296.93 km) |
| Gunzenhausen to Olsberg | 184.17 mi (296.40 km) |
| Gunzenhausen to Oranienburg | 273.69 mi (440.46 km) |
| Gunzenhausen to Ortenberg | 114.49 mi (184.25 km) |
| Gunzenhausen to Oschatz | 183.37 mi (295.10 km) |
