| Gisors to Olympia Heights (Florida) | 4,547.81 mi (7,318.99 km) |
| Gisors to Omaha (Nebraska) | 4,445.36 mi (7,154.11 km) |
| Gisors to On Top of the World Designated Place (Florida) | 4,469.18 mi (7,192.45 km) |
| Gisors to Onalaska (Wisconsin) | 4,141.24 mi (6,664.68 km) |
| Gisors to Oneida (New York) | 3,564.59 mi (5,736.65 km) |
| Gisors to Oneonta (New York) | 3,565.17 mi (5,737.58 km) |
| Gisors to Ontario (California) | 5,586.19 mi (8,990.10 km) |
| Gisors to Ontario (Oregon) | 5,007.60 mi (8,058.95 km) |
| Gisors to Opa-locka (Florida) | 4,535.56 mi (7,299.27 km) |
| Gisors to Opelika (Alabama) | 4,431.09 mi (7,131.16 km) |
| Gisors to Opelousas (Louisiana) | 4,814.91 mi (7,748.85 km) |
| Gisors to Orange (California) | 5,606.60 mi (9,022.95 km) |
| Gisors to Orange (Texas) | 4,904.17 mi (7,892.50 km) |
| Gisors to Orange City (Florida) | 4,434.04 mi (7,135.90 km) |
| Gisors to Orangeburg (South Carolina) | 4,200.69 mi (6,760.35 km) |
