| Knowle to Oakley (California) | 5,228.71 mi (8,414.79 km) |
| Knowle to Oakton (Virginia) | 3,592.61 mi (5,781.75 km) |
| Knowle to Oakville (Missouri) | 4,125.70 mi (6,639.67 km) |
| Knowle to Oatfield (Oregon) | 4,826.56 mi (7,767.60 km) |
| Knowle to Ocala (Florida) | 4,259.46 mi (6,854.94 km) |
| Knowle to Ocean Acres (New Jersey) | 3,431.81 mi (5,522.96 km) |
| Knowle to Ocean City (New Jersey) | 3,466.12 mi (5,578.19 km) |
| Knowle to Ocean Pines (Maryland) | 3,528.32 mi (5,678.28 km) |
| Knowle to Ocean Pointe (Hawaii) | 7,147.96 mi (11,503.53 km) |
| Knowle to Ocean Springs (Mississippi) | 4,467.49 mi (7,189.73 km) |
| Knowle to Oceanside (California) | 5,366.09 mi (8,635.89 km) |
| Knowle to Oceanside (New York) | 3,366.32 mi (5,417.56 km) |
| Knowle to Ocoee (Florida) | 4,264.13 mi (6,862.46 km) |
| Knowle to Oconomowoc (Wisconsin) | 3,834.60 mi (6,171.19 km) |
| Knowle to Odenton (Maryland) | 3,559.99 mi (5,729.26 km) |
