| Carthage to Oakley (California) | 1,494.73 mi (2,405.54 km) |
| Carthage to Oakton (Virginia) | 932.84 mi (1,501.27 km) |
| Carthage to Oakville (Missouri) | 236.17 mi (380.08 km) |
| Carthage to Oatfield (Oregon) | 1,564.95 mi (2,518.54 km) |
| Carthage to Ocala (Florida) | 892.53 mi (1,436.39 km) |
| Carthage to Ocean Acres (New Jersey) | 1,096.84 mi (1,765.19 km) |
| Carthage to Ocean City (New Jersey) | 1,078.40 mi (1,735.52 km) |
| Carthage to Ocean Pines (Maryland) | 1,048.81 mi (1,687.90 km) |
| Carthage to Ocean Pointe (Hawaii) | 3,920.38 mi (6,309.24 km) |
| Carthage to Ocean Springs (Mississippi) | 563.73 mi (907.24 km) |
| Carthage to Oceanside (California) | 1,322.52 mi (2,128.39 km) |
| Carthage to Oceanside (New York) | 1,135.34 mi (1,827.15 km) |
| Carthage to Ocoee (Florida) | 947.94 mi (1,525.56 km) |
| Carthage to Oconomowoc (Wisconsin) | 513.28 mi (826.05 km) |
| Carthage to Odenton (Maryland) | 965.94 mi (1,554.53 km) |
