| Gifhorn to Oestrich-Winkel | 204.17 mi (328.57 km) |
| Gifhorn to Offenburg | 300.65 mi (483.85 km) |
| Gifhorn to Oftersheim | 231.73 mi (372.93 km) |
| Gifhorn to Ohrdruf | 115.01 mi (185.09 km) |
| Gifhorn to Ohringen | 231.75 mi (372.97 km) |
| Gifhorn to Olbernhau | 173.66 mi (279.48 km) |
| Gifhorn to Olching | 298.25 mi (479.99 km) |
| Gifhorn to Oldenburg | 107.40 mi (172.85 km) |
| Gifhorn to Oldenburg in Holstein | 125.92 mi (202.65 km) |
| Gifhorn to Olfen | 144.43 mi (232.44 km) |
| Gifhorn to Olpe | 154.28 mi (248.30 km) |
| Gifhorn to Olsberg | 117.97 mi (189.85 km) |
| Gifhorn to Oranienburg | 114.33 mi (184.00 km) |
| Gifhorn to Ortenberg | 160.75 mi (258.70 km) |
| Gifhorn to Oschatz | 136.60 mi (219.84 km) |
