| Issum to Oakley (California) | 5,504.24 mi (8,858.22 km) |
| Issum to Oakton (Virginia) | 3,938.94 mi (6,339.10 km) |
| Issum to Oakville (Missouri) | 4,460.12 mi (7,177.86 km) |
| Issum to Oatfield (Oregon) | 5,083.48 mi (8,181.08 km) |
| Issum to Ocala (Florida) | 4,609.78 mi (7,418.72 km) |
| Issum to Ocean Acres (New Jersey) | 3,779.29 mi (6,082.18 km) |
| Issum to Ocean City (New Jersey) | 3,813.85 mi (6,137.79 km) |
| Issum to Ocean Pines (Maryland) | 3,876.48 mi (6,238.59 km) |
| Issum to Ocean Pointe (Hawaii) | 7,315.56 mi (11,773.26 km) |
| Issum to Ocean Springs (Mississippi) | 4,812.88 mi (7,745.58 km) |
| Issum to Oceanside (California) | 5,661.90 mi (9,111.95 km) |
| Issum to Oceanside (New York) | 3,713.34 mi (5,976.05 km) |
| Issum to Ocoee (Florida) | 4,614.93 mi (7,427.01 km) |
| Issum to Oconomowoc (Wisconsin) | 4,163.48 mi (6,700.48 km) |
| Issum to Odenton (Maryland) | 3,906.56 mi (6,287.00 km) |
