| Cumberland to Oakley (California) | 2,291.99 mi (3,688.60 km) |
| Cumberland to Oakton (Virginia) | 94.07 mi (151.39 km) |
| Cumberland to Oakville (Missouri) | 625.47 mi (1,006.59 km) |
| Cumberland to Oatfield (Oregon) | 2,238.61 mi (3,602.70 km) |
| Cumberland to Ocala (Florida) | 748.87 mi (1,205.19 km) |
| Cumberland to Ocean Acres (New Jersey) | 238.12 mi (383.21 km) |
| Cumberland to Ocean City (New Jersey) | 223.28 mi (359.33 km) |
| Cumberland to Ocean Pines (Maryland) | 212.59 mi (342.13 km) |
| Cumberland to Ocean Pointe (Hawaii) | 4,737.22 mi (7,623.82 km) |
| Cumberland to Ocean Springs (Mississippi) | 853.08 mi (1,372.90 km) |
| Cumberland to Oceanside (California) | 2,171.06 mi (3,493.98 km) |
| Cumberland to Oceanside (New York) | 278.86 mi (448.77 km) |
| Cumberland to Ocoee (Florida) | 781.17 mi (1,257.17 km) |
| Cumberland to Oconomowoc (Wisconsin) | 557.73 mi (897.58 km) |
| Cumberland to Odenton (Maryland) | 117.47 mi (189.06 km) |
