| Avelgem to Olympia Heights (Florida) | 4,598.24 mi (7,400.15 km) |
| Avelgem to Omaha (Nebraska) | 4,447.90 mi (7,158.20 km) |
| Avelgem to On Top of the World Designated Place (Florida) | 4,511.43 mi (7,260.45 km) |
| Avelgem to Onalaska (Wisconsin) | 4,145.21 mi (6,671.07 km) |
| Avelgem to Oneida (New York) | 3,589.25 mi (5,776.34 km) |
| Avelgem to Oneonta (New York) | 3,591.93 mi (5,780.66 km) |
| Avelgem to Ontario (California) | 5,568.83 mi (8,962.16 km) |
| Avelgem to Ontario (Oregon) | 4,978.29 mi (8,011.78 km) |
| Avelgem to Opa-locka (Florida) | 4,585.83 mi (7,380.18 km) |
| Avelgem to Opelika (Alabama) | 4,463.05 mi (7,182.59 km) |
| Avelgem to Opelousas (Louisiana) | 4,840.76 mi (7,790.45 km) |
| Avelgem to Orange (California) | 5,589.20 mi (8,994.95 km) |
| Avelgem to Orange (Texas) | 4,928.20 mi (7,931.17 km) |
| Avelgem to Orange City (Florida) | 4,478.00 mi (7,206.65 km) |
| Avelgem to Orangeburg (South Carolina) | 4,237.50 mi (6,819.59 km) |
