| Giffnock to Oak Harbor (Washington) | 4,414.56 mi (7,104.55 km) |
| Giffnock to Oak Hills (Oregon) | 4,579.57 mi (7,370.10 km) |
| Giffnock to Oak Lawn (Illinois) | 3,679.94 mi (5,922.29 km) |
| Giffnock to Oak Park (California) | 5,127.27 mi (8,251.55 km) |
| Giffnock to Oak Park (Illinois) | 3,672.69 mi (5,910.63 km) |
| Giffnock to Oak Park (Michigan) | 3,477.64 mi (5,596.71 km) |
| Giffnock to Oak Ridge (Florida) | 4,125.31 mi (6,639.05 km) |
| Giffnock to Oak Ridge (New Jersey) | 3,222.47 mi (5,186.07 km) |
| Giffnock to Oak Ridge (Tennessee) | 3,842.63 mi (6,184.12 km) |
| Giffnock to Oakdale (California) | 4,979.33 mi (8,013.46 km) |
| Giffnock to Oakdale (Minnesota) | 3,700.68 mi (5,955.66 km) |
| Giffnock to Oakland (California) | 5,016.88 mi (8,073.88 km) |
| Giffnock to Oakland (New Jersey) | 3,212.80 mi (5,170.50 km) |
| Giffnock to Oakland Park (Florida) | 4,199.67 mi (6,758.71 km) |
| Giffnock to Oakleaf Plantation (Florida) | 4,051.16 mi (6,519.71 km) |
