| Wath upon Dearne to Oakley (California) | 5,185.54 mi (8,345.32 km) |
| Wath upon Dearne to Oakton (Virginia) | 3,586.18 mi (5,771.41 km) |
| Wath upon Dearne to Oakville (Missouri) | 4,108.24 mi (6,611.58 km) |
| Wath upon Dearne to Oatfield (Oregon) | 4,778.01 mi (7,689.47 km) |
| Wath upon Dearne to Ocala (Florida) | 4,259.66 mi (6,855.27 km) |
| Wath upon Dearne to Ocean Acres (New Jersey) | 3,426.99 mi (5,515.20 km) |
| Wath upon Dearne to Ocean City (New Jersey) | 3,461.65 mi (5,570.99 km) |
| Wath upon Dearne to Ocean Pines (Maryland) | 3,524.51 mi (5,672.16 km) |
| Wath upon Dearne to Ocean Pointe (Hawaii) | 7,083.02 mi (11,399.02 km) |
| Wath upon Dearne to Ocean Springs (Mississippi) | 4,459.86 mi (7,177.45 km) |
| Wath upon Dearne to Oceanside (California) | 5,329.74 mi (8,577.39 km) |
| Wath upon Dearne to Oceanside (New York) | 3,360.85 mi (5,408.77 km) |
| Wath upon Dearne to Ocoee (Florida) | 4,265.59 mi (6,864.80 km) |
| Wath upon Dearne to Oconomowoc (Wisconsin) | 3,813.41 mi (6,137.10 km) |
| Wath upon Dearne to Odenton (Maryland) | 3,553.89 mi (5,719.43 km) |
