| Scartho to Olympia Heights (Florida) | 4,415.75 mi (7,106.47 km) |
| Scartho to Omaha (Nebraska) | 4,218.17 mi (6,788.49 km) |
| Scartho to On Top of the World Designated Place (Florida) | 4,318.38 mi (6,949.77 km) |
| Scartho to Onalaska (Wisconsin) | 3,916.60 mi (6,303.16 km) |
| Scartho to Oneida (New York) | 3,378.15 mi (5,436.61 km) |
| Scartho to Oneonta (New York) | 3,382.92 mi (5,444.28 km) |
| Scartho to Ontario (California) | 5,329.28 mi (8,576.65 km) |
| Scartho to Ontario (Oregon) | 4,736.11 mi (7,622.03 km) |
| Scartho to Opa-locka (Florida) | 4,403.16 mi (7,086.20 km) |
| Scartho to Opelika (Alabama) | 4,258.19 mi (6,852.89 km) |
| Scartho to Opelousas (Louisiana) | 4,629.23 mi (7,450.03 km) |
| Scartho to Orange (California) | 5,349.64 mi (8,609.42 km) |
| Scartho to Orange (Texas) | 4,714.84 mi (7,587.80 km) |
| Scartho to Orange City (Florida) | 4,287.14 mi (6,899.49 km) |
| Scartho to Orangeburg (South Carolina) | 4,038.35 mi (6,499.10 km) |
