| Wiltz to Olympia Heights (Florida) | 4,717.97 mi (7,592.83 km) |
| Wiltz to Omaha (Nebraska) | 4,569.61 mi (7,354.07 km) |
| Wiltz to On Top of the World Designated Place (Florida) | 4,632.83 mi (7,455.82 km) |
| Wiltz to Onalaska (Wisconsin) | 4,267.14 mi (6,867.30 km) |
| Wiltz to Oneida (New York) | 3,712.29 mi (5,974.36 km) |
| Wiltz to Oneonta (New York) | 3,714.90 mi (5,978.55 km) |
| Wiltz to Ontario (California) | 5,685.95 mi (9,150.66 km) |
| Wiltz to Ontario (Oregon) | 5,091.43 mi (8,193.87 km) |
| Wiltz to Opa-locka (Florida) | 4,705.60 mi (7,572.93 km) |
| Wiltz to Opelika (Alabama) | 4,585.73 mi (7,380.01 km) |
| Wiltz to Opelousas (Louisiana) | 4,963.79 mi (7,988.45 km) |
| Wiltz to Orange (California) | 5,706.32 mi (9,183.43 km) |
| Wiltz to Orange (Texas) | 5,051.27 mi (8,129.24 km) |
| Wiltz to Orange City (Florida) | 4,599.10 mi (7,401.53 km) |
| Wiltz to Orangeburg (South Carolina) | 4,359.67 mi (7,016.20 km) |
