| League City to Odessa (Texas) | 460.53 mi (741.15 km) |
| League City to Ogden (Utah) | 1,245.16 mi (2,003.89 km) |
| League City to Oildale (California) | 1,449.64 mi (2,332.98 km) |
| League City to Ojus (Florida) | 945.46 mi (1,521.56 km) |
| League City to Okemos (Michigan) | 1,089.11 mi (1,752.76 km) |
| League City to Oklahoma City (Oklahoma) | 436.28 mi (702.12 km) |
| League City to Okmulgee (Oklahoma) | 426.48 mi (686.35 km) |
| League City to Olathe (Kansas) | 649.40 mi (1,045.11 km) |
| League City to Old Jamestown (Missouri) | 702.26 mi (1,130.18 km) |
| League City to Oldsmar (Florida) | 759.50 mi (1,222.29 km) |
| League City to Olean (New York) | 1,272.71 mi (2,048.23 km) |
| League City to Olive Branch (Mississippi) | 487.28 mi (784.20 km) |
| League City to Olivehurst (California) | 1,641.10 mi (2,641.09 km) |
| League City to Olney (Maryland) | 1,223.13 mi (1,968.45 km) |
| League City to Olympia (Washington) | 1,917.00 mi (3,085.11 km) |
