| Giannitsa to Orangevale (California) | 6,485.98 mi (10,438.17 km) |
| Giannitsa to Orchards (Washington) | 6,081.82 mi (9,787.74 km) |
| Giannitsa to Orcutt (California) | 6,700.76 mi (10,783.83 km) |
| Giannitsa to Oregon (Ohio) | 5,095.86 mi (8,201.00 km) |
| Giannitsa to Oregon (Wisconsin) | 5,262.79 mi (8,469.65 km) |
| Giannitsa to Oregon City (Oregon) | 6,104.72 mi (9,824.60 km) |
| Giannitsa to Orem (Utah) | 6,136.91 mi (9,876.40 km) |
| Giannitsa to Orinda (California) | 6,559.06 mi (10,555.79 km) |
| Giannitsa to Orland Park (Illinois) | 5,268.41 mi (8,478.69 km) |
| Giannitsa to Orlando (Florida) | 5,608.71 mi (9,026.34 km) |
| Giannitsa to Ormond Beach (Florida) | 5,560.26 mi (8,948.38 km) |
| Giannitsa to Oro Valley (Arizona) | 6,570.29 mi (10,573.85 km) |
| Giannitsa to Oroville (California) | 6,444.07 mi (10,370.72 km) |
| Giannitsa to Oshkosh (Wisconsin) | 5,180.62 mi (8,337.40 km) |
| Giannitsa to Oskaloosa (Iowa) | 5,460.63 mi (8,788.03 km) |
