| Pitsea to Olympia Heights (Florida) | 4,462.61 mi (7,181.88 km) |
| Pitsea to Omaha (Nebraska) | 4,311.49 mi (6,938.67 km) |
| Pitsea to On Top of the World Designated Place (Florida) | 4,374.14 mi (7,039.50 km) |
| Pitsea to Onalaska (Wisconsin) | 4,008.50 mi (6,451.05 km) |
| Pitsea to Oneida (New York) | 3,450.59 mi (5,553.19 km) |
| Pitsea to Oneonta (New York) | 3,453.29 mi (5,557.54 km) |
| Pitsea to Ontario (California) | 5,438.20 mi (8,751.94 km) |
| Pitsea to Ontario (Oregon) | 4,852.65 mi (7,809.59 km) |
| Pitsea to Opa-locka (Florida) | 4,450.17 mi (7,161.85 km) |
| Pitsea to Opelika (Alabama) | 4,324.61 mi (6,959.78 km) |
| Pitsea to Opelousas (Louisiana) | 4,702.10 mi (7,567.30 km) |
| Pitsea to Orange (California) | 5,458.60 mi (8,784.76 km) |
| Pitsea to Orange (Texas) | 4,789.55 mi (7,708.03 km) |
| Pitsea to Orange City (Florida) | 4,341.00 mi (6,986.17 km) |
| Pitsea to Orangeburg (South Carolina) | 4,099.48 mi (6,597.48 km) |
