| Leek to Oakley (California) | 5,184.90 mi (8,344.29 km) |
| Leek to Oakton (Virginia) | 3,566.74 mi (5,740.12 km) |
| Leek to Oakville (Missouri) | 4,093.86 mi (6,588.44 km) |
| Leek to Oatfield (Oregon) | 4,780.66 mi (7,693.74 km) |
| Leek to Ocala (Florida) | 4,237.46 mi (6,819.53 km) |
| Leek to Ocean Acres (New Jersey) | 3,406.84 mi (5,482.77 km) |
| Leek to Ocean City (New Jersey) | 3,441.35 mi (5,538.33 km) |
| Leek to Ocean Pines (Maryland) | 3,503.94 mi (5,639.04 km) |
| Leek to Ocean Pointe (Hawaii) | 7,097.37 mi (11,422.12 km) |
| Leek to Ocean Springs (Mississippi) | 4,441.00 mi (7,147.10 km) |
| Leek to Oceanside (California) | 5,325.17 mi (8,570.03 km) |
| Leek to Oceanside (New York) | 3,340.97 mi (5,376.78 km) |
| Leek to Ocoee (Florida) | 4,242.87 mi (6,828.24 km) |
| Leek to Oconomowoc (Wisconsin) | 3,800.82 mi (6,116.83 km) |
| Leek to Odenton (Maryland) | 3,534.30 mi (5,687.91 km) |
