| Gifhorn to Orangevale (California) | 5,505.00 mi (8,859.44 km) |
| Gifhorn to Orchards (Washington) | 5,106.92 mi (8,218.79 km) |
| Gifhorn to Orcutt (California) | 5,718.52 mi (9,203.06 km) |
| Gifhorn to Oregon (Ohio) | 4,165.58 mi (6,703.85 km) |
| Gifhorn to Oregon (Wisconsin) | 4,311.43 mi (6,938.58 km) |
| Gifhorn to Oregon City (Oregon) | 5,129.58 mi (8,255.25 km) |
| Gifhorn to Orem (Utah) | 5,155.64 mi (8,297.21 km) |
| Gifhorn to Orinda (California) | 5,578.37 mi (8,977.51 km) |
| Gifhorn to Orland Park (Illinois) | 4,325.47 mi (6,961.17 km) |
| Gifhorn to Orlando (Florida) | 4,757.84 mi (7,657.00 km) |
| Gifhorn to Ormond Beach (Florida) | 4,705.60 mi (7,572.94 km) |
| Gifhorn to Oro Valley (Arizona) | 5,596.16 mi (9,006.16 km) |
| Gifhorn to Oroville (California) | 5,463.68 mi (8,792.95 km) |
| Gifhorn to Oshkosh (Wisconsin) | 4,227.67 mi (6,803.78 km) |
| Gifhorn to Oskaloosa (Iowa) | 4,506.50 mi (7,252.50 km) |
