| Leek to Odessa (Texas) | 4,882.61 mi (7,857.80 km) |
| Leek to Ogden (Utah) | 4,704.85 mi (7,571.72 km) |
| Leek to Oildale (California) | 5,252.81 mi (8,453.59 km) |
| Leek to Ojus (Florida) | 4,321.66 mi (6,955.03 km) |
| Leek to Okemos (Michigan) | 3,666.74 mi (5,901.04 km) |
| Leek to Oklahoma City (Oklahoma) | 4,514.34 mi (7,265.13 km) |
| Leek to Okmulgee (Oklahoma) | 4,450.80 mi (7,162.88 km) |
| Leek to Olathe (Kansas) | 4,239.84 mi (6,823.36 km) |
| Leek to Old Jamestown (Missouri) | 4,073.20 mi (6,555.18 km) |
| Leek to Oldsmar (Florida) | 4,316.33 mi (6,946.46 km) |
| Leek to Olean (New York) | 3,465.45 mi (5,577.10 km) |
| Leek to Olive Branch (Mississippi) | 4,250.10 mi (6,839.88 km) |
| Leek to Olivehurst (California) | 5,117.72 mi (8,236.18 km) |
| Leek to Olney (Maryland) | 3,545.63 mi (5,706.15 km) |
| Leek to Olympia (Washington) | 4,694.98 mi (7,555.84 km) |
