| Morristown to Odessa (Texas) | 1,128.43 mi (1,816.03 km) |
| Morristown to Ogden (Utah) | 1,576.34 mi (2,536.88 km) |
| Morristown to Oildale (California) | 1,991.18 mi (3,204.50 km) |
| Morristown to Ojus (Florida) | 731.90 mi (1,177.88 km) |
| Morristown to Okemos (Michigan) | 453.10 mi (729.19 km) |
| Morristown to Oklahoma City (Oklahoma) | 797.06 mi (1,282.75 km) |
| Morristown to Okmulgee (Oklahoma) | 711.76 mi (1,145.46 km) |
| Morristown to Olathe (Kansas) | 657.15 mi (1,057.58 km) |
| Morristown to Old Jamestown (Missouri) | 423.68 mi (681.85 km) |
| Morristown to Oldsmar (Florida) | 564.57 mi (908.58 km) |
| Morristown to Olean (New York) | 482.47 mi (776.45 km) |
| Morristown to Olive Branch (Mississippi) | 377.69 mi (607.83 km) |
| Morristown to Olivehurst (California) | 2,087.03 mi (3,358.75 km) |
| Morristown to Olney (Maryland) | 396.53 mi (638.15 km) |
| Morristown to Olympia (Washington) | 2,150.86 mi (3,461.47 km) |
