| Waltrop to Oak Harbor (Washington) | 4,930.50 mi (7,934.87 km) |
| Waltrop to Oak Hills (Oregon) | 5,100.54 mi (8,208.53 km) |
| Waltrop to Oak Lawn (Illinois) | 4,235.95 mi (6,817.11 km) |
| Waltrop to Oak Park (California) | 5,672.60 mi (9,129.17 km) |
| Waltrop to Oak Park (Illinois) | 4,228.81 mi (6,805.61 km) |
| Waltrop to Oak Park (Michigan) | 4,031.72 mi (6,488.43 km) |
| Waltrop to Oak Ridge (Florida) | 4,653.30 mi (7,488.76 km) |
| Waltrop to Oak Ridge (New Jersey) | 3,765.33 mi (6,059.71 km) |
| Waltrop to Oak Ridge (Tennessee) | 4,389.88 mi (7,064.84 km) |
| Waltrop to Oakdale (California) | 5,516.94 mi (8,878.66 km) |
| Waltrop to Oakdale (Minnesota) | 4,257.68 mi (6,852.07 km) |
| Waltrop to Oakland (California) | 5,551.91 mi (8,934.93 km) |
| Waltrop to Oakland (New Jersey) | 3,755.28 mi (6,043.54 km) |
| Waltrop to Oakland Park (Florida) | 4,718.97 mi (7,594.45 km) |
| Waltrop to Oakleaf Plantation (Florida) | 4,583.80 mi (7,376.92 km) |
