| Waldkirch to Olympia Heights (Florida) | 4,841.46 mi (7,791.58 km) |
| Waldkirch to Omaha (Nebraska) | 4,721.10 mi (7,597.88 km) |
| Waldkirch to On Top of the World Designated Place (Florida) | 4,762.76 mi (7,664.92 km) |
| Waldkirch to Onalaska (Wisconsin) | 4,418.05 mi (7,110.17 km) |
| Waldkirch to Oneida (New York) | 3,853.50 mi (6,201.62 km) |
| Waldkirch to Oneonta (New York) | 3,854.92 mi (6,203.90 km) |
| Waldkirch to Ontario (California) | 5,842.94 mi (9,403.30 km) |
| Waldkirch to Ontario (Oregon) | 5,249.74 mi (8,448.64 km) |
| Waldkirch to Opa-locka (Florida) | 4,829.22 mi (7,771.88 km) |
| Waldkirch to Opelika (Alabama) | 4,722.72 mi (7,600.48 km) |
| Waldkirch to Opelousas (Louisiana) | 5,104.51 mi (8,214.91 km) |
| Waldkirch to Orange (California) | 5,863.31 mi (9,436.09 km) |
| Waldkirch to Orange (Texas) | 5,193.04 mi (8,357.38 km) |
| Waldkirch to Orange City (Florida) | 4,727.75 mi (7,608.57 km) |
| Waldkirch to Orangeburg (South Carolina) | 4,493.46 mi (7,231.52 km) |
