| Nicholasville to Odessa (Texas) | 1,087.55 mi (1,750.24 km) |
| Nicholasville to Ogden (Utah) | 1,471.47 mi (2,368.10 km) |
| Nicholasville to Oildale (California) | 1,906.91 mi (3,068.87 km) |
| Nicholasville to Ojus (Florida) | 863.81 mi (1,390.17 km) |
| Nicholasville to Okemos (Michigan) | 332.79 mi (535.57 km) |
| Nicholasville to Oklahoma City (Oklahoma) | 736.02 mi (1,184.50 km) |
| Nicholasville to Okmulgee (Oklahoma) | 652.09 mi (1,049.44 km) |
| Nicholasville to Olathe (Kansas) | 559.21 mi (899.96 km) |
| Nicholasville to Old Jamestown (Missouri) | 316.56 mi (509.46 km) |
| Nicholasville to Oldsmar (Florida) | 688.66 mi (1,108.30 km) |
| Nicholasville to Olean (New York) | 434.91 mi (699.92 km) |
| Nicholasville to Olive Branch (Mississippi) | 356.47 mi (573.68 km) |
| Nicholasville to Olivehurst (California) | 1,988.38 mi (3,199.99 km) |
| Nicholasville to Olney (Maryland) | 414.24 mi (666.66 km) |
| Nicholasville to Olympia (Washington) | 2,030.20 mi (3,267.30 km) |
