| Galesburg to Oakley (California) | 1,673.83 mi (2,693.77 km) |
| Galesburg to Oakton (Virginia) | 706.61 mi (1,137.18 km) |
| Galesburg to Oakville (Missouri) | 172.95 mi (278.33 km) |
| Galesburg to Oatfield (Oregon) | 1,640.75 mi (2,640.53 km) |
| Galesburg to Ocala (Florida) | 935.95 mi (1,506.26 km) |
| Galesburg to Ocean Acres (New Jersey) | 850.46 mi (1,368.69 km) |
| Galesburg to Ocean City (New Jersey) | 840.46 mi (1,352.59 km) |
| Galesburg to Ocean Pines (Maryland) | 827.90 mi (1,332.37 km) |
| Galesburg to Ocean Pointe (Hawaii) | 4,119.21 mi (6,629.23 km) |
| Galesburg to Ocean Springs (Mississippi) | 733.82 mi (1,180.96 km) |
| Galesburg to Oceanside (California) | 1,569.84 mi (2,526.41 km) |
| Galesburg to Oceanside (New York) | 874.60 mi (1,407.53 km) |
| Galesburg to Ocoee (Florida) | 989.94 mi (1,593.15 km) |
| Galesburg to Oconomowoc (Wisconsin) | 177.11 mi (285.03 km) |
| Galesburg to Odenton (Maryland) | 734.92 mi (1,182.74 km) |
