| Fehmarnsund to Oakley (California) | 5,465.43 mi (8,795.76 km) |
| Fehmarnsund to Oakton (Virginia) | 4,040.41 mi (6,502.41 km) |
| Fehmarnsund to Oakville (Missouri) | 4,523.58 mi (7,280.00 km) |
| Fehmarnsund to Oatfield (Oregon) | 5,024.41 mi (8,086.00 km) |
| Fehmarnsund to Ocala (Florida) | 4,729.84 mi (7,611.94 km) |
| Fehmarnsund to Ocean Acres (New Jersey) | 3,886.31 mi (6,254.41 km) |
| Fehmarnsund to Ocean City (New Jersey) | 3,921.81 mi (6,311.54 km) |
| Fehmarnsund to Ocean Pines (Maryland) | 3,986.27 mi (6,415.29 km) |
| Fehmarnsund to Ocean Pointe (Hawaii) | 7,163.15 mi (11,527.97 km) |
| Fehmarnsund to Ocean Springs (Mississippi) | 4,907.65 mi (7,898.10 km) |
| Fehmarnsund to Oceanside (California) | 5,649.92 mi (9,092.67 km) |
| Fehmarnsund to Oceanside (New York) | 3,818.63 mi (6,145.49 km) |
| Fehmarnsund to Ocoee (Florida) | 4,738.82 mi (7,626.40 km) |
| Fehmarnsund to Oconomowoc (Wisconsin) | 4,215.64 mi (6,784.42 km) |
| Fehmarnsund to Odenton (Maryland) | 4,009.15 mi (6,452.10 km) |
