| Witham to Oakley (California) | 5,327.86 mi (8,574.36 km) |
| Witham to Oakton (Virginia) | 3,700.84 mi (5,955.93 km) |
| Witham to Oakville (Missouri) | 4,233.98 mi (6,813.94 km) |
| Witham to Oatfield (Oregon) | 4,921.66 mi (7,920.65 km) |
| Witham to Ocala (Florida) | 4,366.61 mi (7,027.38 km) |
| Witham to Ocean Acres (New Jersey) | 3,539.86 mi (5,696.86 km) |
| Witham to Ocean City (New Jersey) | 3,574.13 mi (5,752.01 km) |
| Witham to Ocean Pines (Maryland) | 3,636.23 mi (5,851.95 km) |
| Witham to Ocean Pointe (Hawaii) | 7,222.86 mi (11,624.07 km) |
| Witham to Ocean Springs (Mississippi) | 4,575.81 mi (7,364.05 km) |
| Witham to Oceanside (California) | 5,469.16 mi (8,801.76 km) |
| Witham to Oceanside (New York) | 3,474.45 mi (5,591.59 km) |
| Witham to Ocoee (Florida) | 4,370.99 mi (7,034.44 km) |
| Witham to Oconomowoc (Wisconsin) | 3,942.40 mi (6,344.67 km) |
| Witham to Odenton (Maryland) | 3,668.19 mi (5,903.39 km) |
