| Barmstedt to Oakley (California) | 5,468.39 mi (8,800.53 km) |
| Barmstedt to Oakton (Virginia) | 4,006.89 mi (6,448.47 km) |
| Barmstedt to Oakville (Missouri) | 4,499.78 mi (7,241.70 km) |
| Barmstedt to Oatfield (Oregon) | 5,032.48 mi (8,098.99 km) |
| Barmstedt to Ocala (Florida) | 4,692.12 mi (7,551.23 km) |
| Barmstedt to Ocean Acres (New Jersey) | 3,851.34 mi (6,198.14 km) |
| Barmstedt to Ocean City (New Jersey) | 3,886.63 mi (6,254.93 km) |
| Barmstedt to Ocean Pines (Maryland) | 3,950.69 mi (6,358.02 km) |
| Barmstedt to Ocean Pointe (Hawaii) | 7,197.16 mi (11,582.72 km) |
| Barmstedt to Ocean Springs (Mississippi) | 4,876.23 mi (7,847.54 km) |
| Barmstedt to Oceanside (California) | 5,645.98 mi (9,086.33 km) |
| Barmstedt to Oceanside (New York) | 3,784.05 mi (6,089.84 km) |
| Barmstedt to Ocoee (Florida) | 4,700.16 mi (7,564.18 km) |
| Barmstedt to Oconomowoc (Wisconsin) | 4,194.51 mi (6,750.41 km) |
| Barmstedt to Odenton (Maryland) | 3,975.34 mi (6,397.69 km) |
