| Wadgassen to Olympia Heights (Florida) | 4,767.26 mi (7,672.17 km) |
| Wadgassen to Omaha (Nebraska) | 4,629.06 mi (7,449.76 km) |
| Wadgassen to On Top of the World Designated Place (Florida) | 4,684.51 mi (7,538.99 km) |
| Wadgassen to Onalaska (Wisconsin) | 4,326.39 mi (6,962.65 km) |
| Wadgassen to Oneida (New York) | 3,768.06 mi (6,064.10 km) |
| Wadgassen to Oneonta (New York) | 3,770.23 mi (6,067.60 km) |
| Wadgassen to Ontario (California) | 5,747.19 mi (9,249.21 km) |
| Wadgassen to Ontario (Oregon) | 5,152.97 mi (8,292.90 km) |
| Wadgassen to Opa-locka (Florida) | 4,754.94 mi (7,652.34 km) |
| Wadgassen to Opelika (Alabama) | 4,640.00 mi (7,467.36 km) |
| Wadgassen to Opelousas (Louisiana) | 5,019.44 mi (8,078.00 km) |
| Wadgassen to Orange (California) | 5,767.56 mi (9,281.99 km) |
| Wadgassen to Orange (Texas) | 5,107.30 mi (8,219.40 km) |
| Wadgassen to Orange City (Florida) | 4,650.30 mi (7,483.93 km) |
| Wadgassen to Orangeburg (South Carolina) | 4,412.75 mi (7,101.63 km) |
