| Newcastle under Lyme to Odessa (Texas) | 4,878.20 mi (7,850.71 km) |
| Newcastle under Lyme to Ogden (Utah) | 4,702.72 mi (7,568.29 km) |
| Newcastle under Lyme to Oildale (California) | 5,250.90 mi (8,450.51 km) |
| Newcastle under Lyme to Ojus (Florida) | 4,314.10 mi (6,942.87 km) |
| Newcastle under Lyme to Okemos (Michigan) | 3,661.76 mi (5,893.04 km) |
| Newcastle under Lyme to Oklahoma City (Oklahoma) | 4,509.79 mi (7,257.81 km) |
| Newcastle under Lyme to Okmulgee (Oklahoma) | 4,446.10 mi (7,155.31 km) |
| Newcastle under Lyme to Olathe (Kansas) | 4,235.43 mi (6,816.26 km) |
| Newcastle under Lyme to Old Jamestown (Missouri) | 4,068.28 mi (6,547.26 km) |
| Newcastle under Lyme to Oldsmar (Florida) | 4,309.25 mi (6,935.07 km) |
| Newcastle under Lyme to Olean (New York) | 3,459.77 mi (5,567.96 km) |
| Newcastle under Lyme to Olive Branch (Mississippi) | 4,244.62 mi (6,831.06 km) |
| Newcastle under Lyme to Olivehurst (California) | 5,116.53 mi (8,234.25 km) |
| Newcastle under Lyme to Olney (Maryland) | 3,539.36 mi (5,696.06 km) |
| Newcastle under Lyme to Olympia (Washington) | 4,694.82 mi (7,555.58 km) |
