| Carrollton to Olympia Heights (Florida) | 1,114.60 mi (1,793.78 km) |
| Carrollton to Omaha (Nebraska) | 573.55 mi (923.04 km) |
| Carrollton to On Top of the World Designated Place (Florida) | 904.76 mi (1,456.07 km) |
| Carrollton to Onalaska (Wisconsin) | 813.12 mi (1,308.58 km) |
| Carrollton to Oneida (New York) | 1,343.88 mi (2,162.77 km) |
| Carrollton to Oneonta (New York) | 1,354.99 mi (2,180.65 km) |
| Carrollton to Ontario (California) | 1,193.00 mi (1,919.95 km) |
| Carrollton to Ontario (Oregon) | 1,320.78 mi (2,125.59 km) |
| Carrollton to Opa-locka (Florida) | 1,112.97 mi (1,791.15 km) |
| Carrollton to Opelika (Alabama) | 669.09 mi (1,076.79 km) |
| Carrollton to Opelousas (Louisiana) | 330.26 mi (531.49 km) |
| Carrollton to Orange (California) | 1,206.12 mi (1,941.06 km) |
| Carrollton to Orange (Texas) | 270.86 mi (435.91 km) |
| Carrollton to Orange City (Florida) | 965.34 mi (1,553.57 km) |
| Carrollton to Orangeburg (South Carolina) | 926.23 mi (1,490.63 km) |
