| Oostakker to Oakley (California) | 5,453.80 mi (8,777.04 km) |
| Oostakker to Oakton (Virginia) | 3,843.94 mi (6,186.23 km) |
| Oostakker to Oakville (Missouri) | 4,375.61 mi (7,041.87 km) |
| Oostakker to Oatfield (Oregon) | 5,041.64 mi (8,113.74 km) |
| Oostakker to Ocala (Florida) | 4,509.28 mi (7,256.99 km) |
| Oostakker to Ocean Acres (New Jersey) | 3,682.96 mi (5,927.15 km) |
| Oostakker to Ocean City (New Jersey) | 3,717.22 mi (5,982.28 km) |
| Oostakker to Ocean Pines (Maryland) | 3,779.29 mi (6,082.18 km) |
| Oostakker to Ocean Pointe (Hawaii) | 7,312.41 mi (11,768.18 km) |
| Oostakker to Ocean Springs (Mississippi) | 4,718.88 mi (7,594.31 km) |
| Oostakker to Oceanside (California) | 5,601.21 mi (9,014.27 km) |
| Oostakker to Oceanside (New York) | 3,617.56 mi (5,821.89 km) |
| Oostakker to Ocoee (Florida) | 4,513.47 mi (7,263.73 km) |
| Oostakker to Oconomowoc (Wisconsin) | 4,082.89 mi (6,570.77 km) |
| Oostakker to Odenton (Maryland) | 3,811.29 mi (6,133.69 km) |
