| Waltrop to Olympia Heights (Florida) | 4,750.06 mi (7,644.48 km) |
| Waltrop to Omaha (Nebraska) | 4,552.42 mi (7,326.41 km) |
| Waltrop to On Top of the World Designated Place (Florida) | 4,656.35 mi (7,493.67 km) |
| Waltrop to Onalaska (Wisconsin) | 4,251.85 mi (6,842.68 km) |
| Waltrop to Oneida (New York) | 3,718.79 mi (5,984.81 km) |
| Waltrop to Oneonta (New York) | 3,723.53 mi (5,992.44 km) |
| Waltrop to Ontario (California) | 5,647.40 mi (9,088.61 km) |
| Waltrop to Ontario (Oregon) | 5,042.00 mi (8,114.32 km) |
| Waltrop to Opa-locka (Florida) | 4,737.53 mi (7,624.32 km) |
| Waltrop to Opelika (Alabama) | 4,598.54 mi (7,400.63 km) |
| Waltrop to Opelousas (Louisiana) | 4,969.84 mi (7,998.18 km) |
| Waltrop to Orange (California) | 5,667.70 mi (9,121.28 km) |
| Waltrop to Orange (Texas) | 5,055.33 mi (8,135.77 km) |
| Waltrop to Orange City (Florida) | 4,624.44 mi (7,442.32 km) |
| Waltrop to Orangeburg (South Carolina) | 4,377.78 mi (7,045.36 km) |
