| Allonnes to Olympia Heights (Florida) | 4,493.97 mi (7,232.35 km) |
| Allonnes to Omaha (Nebraska) | 4,435.05 mi (7,137.53 km) |
| Allonnes to On Top of the World Designated Place (Florida) | 4,422.74 mi (7,117.72 km) |
| Allonnes to Onalaska (Wisconsin) | 4,129.98 mi (6,646.55 km) |
| Allonnes to Oneida (New York) | 3,535.15 mi (5,689.27 km) |
| Allonnes to Oneonta (New York) | 3,533.81 mi (5,687.12 km) |
| Allonnes to Ontario (California) | 5,593.08 mi (9,001.19 km) |
| Allonnes to Ontario (Oregon) | 5,026.14 mi (8,088.78 km) |
| Allonnes to Opa-locka (Florida) | 4,481.86 mi (7,212.86 km) |
| Allonnes to Opelika (Alabama) | 4,393.99 mi (7,071.45 km) |
| Allonnes to Opelousas (Louisiana) | 4,782.96 mi (7,697.43 km) |
| Allonnes to Orange (California) | 5,613.50 mi (9,034.06 km) |
| Allonnes to Orange (Texas) | 4,873.79 mi (7,843.61 km) |
| Allonnes to Orange City (Florida) | 4,386.11 mi (7,058.76 km) |
| Allonnes to Orangeburg (South Carolina) | 4,159.44 mi (6,693.97 km) |
