| Newcastle under Lyme to Oakley (California) | 5,183.60 mi (8,342.20 km) |
| Newcastle under Lyme to Oakton (Virginia) | 3,560.46 mi (5,730.00 km) |
| Newcastle under Lyme to Oakville (Missouri) | 4,088.89 mi (6,580.44 km) |
| Newcastle under Lyme to Oatfield (Oregon) | 4,780.28 mi (7,693.12 km) |
| Newcastle under Lyme to Ocala (Florida) | 4,230.46 mi (6,808.26 km) |
| Newcastle under Lyme to Ocean Acres (New Jersey) | 3,400.37 mi (5,472.37 km) |
| Newcastle under Lyme to Ocean City (New Jersey) | 3,434.85 mi (5,527.86 km) |
| Newcastle under Lyme to Ocean Pines (Maryland) | 3,497.36 mi (5,628.46 km) |
| Newcastle under Lyme to Ocean Pointe (Hawaii) | 7,100.24 mi (11,426.74 km) |
| Newcastle under Lyme to Ocean Springs (Mississippi) | 4,434.85 mi (7,137.21 km) |
| Newcastle under Lyme to Oceanside (California) | 5,322.80 mi (8,566.22 km) |
| Newcastle under Lyme to Oceanside (New York) | 3,334.58 mi (5,366.49 km) |
| Newcastle under Lyme to Ocoee (Florida) | 4,235.73 mi (6,816.75 km) |
| Newcastle under Lyme to Oconomowoc (Wisconsin) | 3,796.33 mi (6,109.60 km) |
| Newcastle under Lyme to Odenton (Maryland) | 3,527.98 mi (5,677.74 km) |
