| Avila to Olympia Heights (Florida) | 4,361.32 mi (7,018.87 km) |
| Avila to Omaha (Nebraska) | 4,519.93 mi (7,274.12 km) |
| Avila to On Top of the World Designated Place (Florida) | 4,329.77 mi (6,968.09 km) |
| Avila to Onalaska (Wisconsin) | 4,214.91 mi (6,783.24 km) |
| Avila to Oneida (New York) | 3,543.00 mi (5,701.91 km) |
| Avila to Oneonta (New York) | 3,532.21 mi (5,684.55 km) |
| Avila to Ontario (California) | 5,743.11 mi (9,242.64 km) |
| Avila to Ontario (Oregon) | 5,235.27 mi (8,425.35 km) |
| Avila to Opa-locka (Florida) | 4,350.16 mi (7,000.91 km) |
| Avila to Opelika (Alabama) | 4,349.04 mi (6,999.11 km) |
| Avila to Opelousas (Louisiana) | 4,758.21 mi (7,657.60 km) |
| Avila to Orange (California) | 5,763.36 mi (9,275.23 km) |
| Avila to Orange (Texas) | 4,855.59 mi (7,814.32 km) |
| Avila to Orange City (Florida) | 4,285.90 mi (6,897.49 km) |
| Avila to Orangeburg (South Carolina) | 4,097.05 mi (6,593.56 km) |
