| Kallithea to Odessa (Texas) | 6,492.60 mi (10,448.83 km) |
| Kallithea to Ogden (Utah) | 6,293.29 mi (10,128.08 km) |
| Kallithea to Oildale (California) | 6,833.80 mi (10,997.93 km) |
| Kallithea to Ojus (Florida) | 5,824.58 mi (9,373.76 km) |
| Kallithea to Okemos (Michigan) | 5,271.40 mi (8,483.50 km) |
| Kallithea to Oklahoma City (Oklahoma) | 6,123.33 mi (9,854.55 km) |
| Kallithea to Okmulgee (Oklahoma) | 6,058.33 mi (9,749.95 km) |
| Kallithea to Olathe (Kansas) | 5,849.86 mi (9,414.44 km) |
| Kallithea to Old Jamestown (Missouri) | 5,678.32 mi (9,138.37 km) |
| Kallithea to Oldsmar (Florida) | 5,849.47 mi (9,413.82 km) |
| Kallithea to Olean (New York) | 5,057.14 mi (8,138.68 km) |
| Kallithea to Olive Branch (Mississippi) | 5,844.87 mi (9,406.41 km) |
| Kallithea to Olivehurst (California) | 6,675.92 mi (10,743.85 km) |
| Kallithea to Olney (Maryland) | 5,119.88 mi (8,239.65 km) |
| Kallithea to Olympia (Washington) | 6,212.58 mi (9,998.19 km) |
