| Giessen to Oak Harbor (Washington) | 5,020.56 mi (8,079.81 km) |
| Giessen to Oak Hills (Oregon) | 5,190.79 mi (8,353.77 km) |
| Giessen to Oak Lawn (Illinois) | 4,321.37 mi (6,954.57 km) |
| Giessen to Oak Park (California) | 5,762.93 mi (9,274.54 km) |
| Giessen to Oak Park (Illinois) | 4,314.31 mi (6,943.21 km) |
| Giessen to Oak Park (Michigan) | 4,115.99 mi (6,624.05 km) |
| Giessen to Oak Ridge (Florida) | 4,728.68 mi (7,610.08 km) |
| Giessen to Oak Ridge (New Jersey) | 3,845.37 mi (6,188.52 km) |
| Giessen to Oak Ridge (Tennessee) | 4,471.22 mi (7,195.74 km) |
| Giessen to Oakdale (California) | 5,607.48 mi (9,024.37 km) |
| Giessen to Oakdale (Minnesota) | 4,345.64 mi (6,993.62 km) |
| Giessen to Oakland (California) | 5,642.45 mi (9,080.65 km) |
| Giessen to Oakland (New Jersey) | 3,835.21 mi (6,172.17 km) |
| Giessen to Oakland Park (Florida) | 4,792.04 mi (7,712.05 km) |
| Giessen to Oakleaf Plantation (Florida) | 4,660.51 mi (7,500.37 km) |
