| Galesburg to Orangevale (California) | 1,635.79 mi (2,632.56 km) |
| Galesburg to Orchards (Washington) | 1,637.56 mi (2,635.39 km) |
| Galesburg to Orcutt (California) | 1,681.85 mi (2,706.68 km) |
| Galesburg to Oregon (Ohio) | 363.59 mi (585.14 km) |
| Galesburg to Oregon (Wisconsin) | 145.56 mi (234.26 km) |
| Galesburg to Oregon City (Oregon) | 1,640.74 mi (2,640.52 km) |
| Galesburg to Orem (Utah) | 1,116.35 mi (1,796.59 km) |
| Galesburg to Orinda (California) | 1,701.31 mi (2,737.99 km) |
| Galesburg to Orland Park (Illinois) | 138.22 mi (222.44 km) |
| Galesburg to Orlando (Florida) | 1,001.79 mi (1,612.22 km) |
| Galesburg to Ormond Beach (Florida) | 959.33 mi (1,543.90 km) |
| Galesburg to Oro Valley (Arizona) | 1,280.12 mi (2,060.15 km) |
| Galesburg to Oroville (California) | 1,639.55 mi (2,638.60 km) |
| Galesburg to Oshkosh (Wisconsin) | 231.50 mi (372.57 km) |
| Galesburg to Oskaloosa (Iowa) | 120.18 mi (193.41 km) |
