| Hersham to Olympia Heights (Florida) | 4,426.58 mi (7,123.90 km) |
| Hersham to Omaha (Nebraska) | 4,286.02 mi (6,897.68 km) |
| Hersham to On Top of the World Designated Place (Florida) | 4,339.61 mi (6,983.93 km) |
| Hersham to Onalaska (Wisconsin) | 3,982.63 mi (6,409.43 km) |
| Hersham to Oneida (New York) | 3,419.63 mi (5,503.37 km) |
| Hersham to Oneonta (New York) | 3,421.86 mi (5,506.96 km) |
| Hersham to Ontario (California) | 5,418.24 mi (8,719.81 km) |
| Hersham to Ontario (Oregon) | 4,836.29 mi (7,783.25 km) |
| Hersham to Opa-locka (Florida) | 4,414.17 mi (7,103.91 km) |
| Hersham to Opelika (Alabama) | 4,292.16 mi (6,907.56 km) |
| Hersham to Opelousas (Louisiana) | 4,671.02 mi (7,517.28 km) |
| Hersham to Orange (California) | 5,438.64 mi (8,752.65 km) |
| Hersham to Orange (Texas) | 4,758.88 mi (7,658.68 km) |
| Hersham to Orange City (Florida) | 4,306.15 mi (6,930.07 km) |
| Hersham to Orangeburg (South Carolina) | 4,066.00 mi (6,543.60 km) |
