| Shanklin to Olympia Heights (Florida) | 4,401.63 mi (7,083.74 km) |
| Shanklin to Omaha (Nebraska) | 4,284.43 mi (6,895.12 km) |
| Shanklin to On Top of the World Designated Place (Florida) | 4,318.62 mi (6,950.15 km) |
| Shanklin to Onalaska (Wisconsin) | 3,980.38 mi (6,405.80 km) |
| Shanklin to Oneida (New York) | 3,407.21 mi (5,483.37 km) |
| Shanklin to Oneonta (New York) | 3,408.40 mi (5,485.29 km) |
| Shanklin to Ontario (California) | 5,426.14 mi (8,732.53 km) |
| Shanklin to Ontario (Oregon) | 4,850.12 mi (7,805.51 km) |
| Shanklin to Opa-locka (Florida) | 4,389.29 mi (7,063.88 km) |
| Shanklin to Opelika (Alabama) | 4,276.19 mi (6,881.86 km) |
| Shanklin to Opelousas (Louisiana) | 4,658.04 mi (7,496.39 km) |
| Shanklin to Orange (California) | 5,446.56 mi (8,765.39 km) |
| Shanklin to Orange (Texas) | 4,746.79 mi (7,639.22 km) |
| Shanklin to Orange City (Florida) | 4,284.32 mi (6,894.95 km) |
| Shanklin to Orangeburg (South Carolina) | 4,047.64 mi (6,514.05 km) |
