| Gifhorn to Odessa (Texas) | 5,349.17 mi (8,608.66 km) |
| Gifhorn to Ogden (Utah) | 5,108.85 mi (8,221.90 km) |
| Gifhorn to Oildale (California) | 5,647.47 mi (9,088.72 km) |
| Gifhorn to Ojus (Florida) | 4,843.23 mi (7,794.42 km) |
| Gifhorn to Okemos (Michigan) | 4,148.76 mi (6,676.78 km) |
| Gifhorn to Oklahoma City (Oklahoma) | 4,985.10 mi (8,022.74 km) |
| Gifhorn to Okmulgee (Oklahoma) | 4,925.27 mi (7,926.45 km) |
| Gifhorn to Olathe (Kansas) | 4,708.04 mi (7,576.85 km) |
| Gifhorn to Old Jamestown (Missouri) | 4,553.20 mi (7,327.67 km) |
| Gifhorn to Oldsmar (Florida) | 4,832.96 mi (7,777.89 km) |
| Gifhorn to Olean (New York) | 3,961.71 mi (6,375.75 km) |
| Gifhorn to Olive Branch (Mississippi) | 4,741.36 mi (7,630.49 km) |
| Gifhorn to Olivehurst (California) | 5,489.31 mi (8,834.19 km) |
| Gifhorn to Olney (Maryland) | 4,051.70 mi (6,520.57 km) |
| Gifhorn to Olympia (Washington) | 5,032.13 mi (8,098.43 km) |
