| Gentilly to Oakley (California) | 5,531.06 mi (8,901.38 km) |
| Gentilly to Oakton (Virginia) | 3,843.38 mi (6,185.33 km) |
| Gentilly to Oakville (Missouri) | 4,397.25 mi (7,076.69 km) |
| Gentilly to Oatfield (Oregon) | 5,131.08 mi (8,257.68 km) |
| Gentilly to Ocala (Florida) | 4,493.56 mi (7,231.68 km) |
| Gentilly to Ocean Acres (New Jersey) | 3,679.43 mi (5,921.48 km) |
| Gentilly to Ocean City (New Jersey) | 3,712.90 mi (5,975.33 km) |
| Gentilly to Ocean Pines (Maryland) | 3,773.45 mi (6,072.78 km) |
| Gentilly to Ocean Pointe (Hawaii) | 7,442.38 mi (11,977.35 km) |
| Gentilly to Ocean Springs (Mississippi) | 4,719.22 mi (7,594.85 km) |
| Gentilly to Oceanside (California) | 5,663.09 mi (9,113.86 km) |
| Gentilly to Oceanside (New York) | 3,615.51 mi (5,818.60 km) |
| Gentilly to Ocoee (Florida) | 4,495.13 mi (7,234.21 km) |
| Gentilly to Oconomowoc (Wisconsin) | 4,112.77 mi (6,618.87 km) |
| Gentilly to Odenton (Maryland) | 3,810.14 mi (6,131.83 km) |
