| Cercola to Olympia Heights (Florida) | 5,306.57 mi (8,540.11 km) |
| Cercola to Omaha (Nebraska) | 5,286.05 mi (8,507.07 km) |
| Cercola to On Top of the World Designated Place (Florida) | 5,251.16 mi (8,450.92 km) |
| Cercola to Onalaska (Wisconsin) | 4,981.35 mi (8,016.71 km) |
| Cercola to Oneida (New York) | 4,384.95 mi (7,056.90 km) |
| Cercola to Oneonta (New York) | 4,382.36 mi (7,052.73 km) |
| Cercola to Ontario (California) | 6,427.15 mi (10,343.50 km) |
| Cercola to Ontario (Oregon) | 5,839.10 mi (9,397.12 km) |
| Cercola to Opa-locka (Florida) | 5,294.86 mi (8,521.26 km) |
| Cercola to Opelika (Alabama) | 5,236.31 mi (8,427.03 km) |
| Cercola to Opelousas (Louisiana) | 5,630.09 mi (9,060.76 km) |
| Cercola to Orange (California) | 6,447.55 mi (10,376.33 km) |
| Cercola to Orange (Texas) | 5,722.13 mi (9,208.88 km) |
| Cercola to Orange City (Florida) | 5,211.81 mi (8,387.59 km) |
| Cercola to Orangeburg (South Carolina) | 4,996.75 mi (8,041.50 km) |
