| Zero Branco to Olympia Heights (Florida) | 5,084.40 mi (8,182.55 km) |
| Zero Branco to Omaha (Nebraska) | 4,984.09 mi (8,021.11 km) |
| Zero Branco to On Top of the World Designated Place (Florida) | 5,011.90 mi (8,065.88 km) |
| Zero Branco to Onalaska (Wisconsin) | 4,680.96 mi (7,533.27 km) |
| Zero Branco to Oneida (New York) | 4,112.00 mi (6,617.63 km) |
| Zero Branco to Oneonta (New York) | 4,112.63 mi (6,618.64 km) |
| Zero Branco to Ontario (California) | 6,103.49 mi (9,822.62 km) |
| Zero Branco to Ontario (Oregon) | 5,506.03 mi (8,861.10 km) |
| Zero Branco to Opa-locka (Florida) | 5,072.29 mi (8,163.06 km) |
| Zero Branco to Opelika (Alabama) | 4,977.90 mi (8,011.16 km) |
| Zero Branco to Opelousas (Louisiana) | 5,362.37 mi (8,629.90 km) |
| Zero Branco to Orange (California) | 6,123.85 mi (9,855.39 km) |
| Zero Branco to Orange (Texas) | 5,451.60 mi (8,773.50 km) |
| Zero Branco to Orange City (Florida) | 4,975.74 mi (8,007.67 km) |
| Zero Branco to Orangeburg (South Carolina) | 4,746.13 mi (7,638.16 km) |
