| Portlethen to Oakley (California) | 4,990.70 mi (8,031.76 km) |
| Portlethen to Oakton (Virginia) | 3,493.69 mi (5,622.55 km) |
| Portlethen to Oakville (Missouri) | 3,982.25 mi (6,408.81 km) |
| Portlethen to Oatfield (Oregon) | 4,571.27 mi (7,356.74 km) |
| Portlethen to Ocala (Florida) | 4,184.70 mi (6,734.62 km) |
| Portlethen to Ocean Acres (New Jersey) | 3,339.89 mi (5,375.03 km) |
| Portlethen to Ocean City (New Jersey) | 3,375.45 mi (5,432.27 km) |
| Portlethen to Ocean Pines (Maryland) | 3,440.07 mi (5,536.25 km) |
| Portlethen to Ocean Pointe (Hawaii) | 6,843.86 mi (11,014.13 km) |
| Portlethen to Ocean Springs (Mississippi) | 4,361.07 mi (7,018.46 km) |
| Portlethen to Oceanside (California) | 5,151.18 mi (8,290.02 km) |
| Portlethen to Oceanside (New York) | 3,272.10 mi (5,265.94 km) |
| Portlethen to Ocoee (Florida) | 4,194.39 mi (6,750.22 km) |
| Portlethen to Oconomowoc (Wisconsin) | 3,677.83 mi (5,918.89 km) |
| Portlethen to Odenton (Maryland) | 3,462.46 mi (5,572.30 km) |
