| Granville to Olympia Heights (Florida) | 4,404.09 mi (7,087.69 km) |
| Granville to Omaha (Nebraska) | 4,335.09 mi (6,976.65 km) |
| Granville to On Top of the World Designated Place (Florida) | 4,329.95 mi (6,968.39 km) |
| Granville to Onalaska (Wisconsin) | 4,030.06 mi (6,485.75 km) |
| Granville to Oneida (New York) | 3,437.56 mi (5,532.21 km) |
| Granville to Oneonta (New York) | 3,436.62 mi (5,530.71 km) |
| Granville to Ontario (California) | 5,493.23 mi (8,840.49 km) |
| Granville to Ontario (Oregon) | 4,927.64 mi (7,930.26 km) |
| Granville to Opa-locka (Florida) | 4,391.92 mi (7,068.11 km) |
| Granville to Opelika (Alabama) | 4,298.29 mi (6,917.44 km) |
| Granville to Opelousas (Louisiana) | 4,686.02 mi (7,541.42 km) |
| Granville to Orange (California) | 5,513.65 mi (8,873.37 km) |
| Granville to Orange (Texas) | 4,776.51 mi (7,687.06 km) |
| Granville to Orange City (Florida) | 4,293.86 mi (6,910.29 km) |
| Granville to Orangeburg (South Carolina) | 4,064.91 mi (6,541.83 km) |
