| Galesburg to Olivares | 4,332.47 mi (6,972.44 km) |
| Galesburg to Olivenza | 4,242.31 mi (6,827.33 km) |
| Galesburg to Olot | 4,536.78 mi (7,301.25 km) |
| Galesburg to Onate | 4,295.21 mi (6,912.47 km) |
| Galesburg to Onda | 4,503.26 mi (7,247.30 km) |
| Galesburg to Onteniente | 4,531.89 mi (7,293.37 km) |
| Galesburg to Orihuela | 4,545.13 mi (7,314.69 km) |
| Galesburg to Osuna | 4,387.93 mi (7,061.70 km) |
| Galesburg to Ourense | 4,080.59 mi (6,567.08 km) |
| Galesburg to Oviedo | 4,134.97 mi (6,654.59 km) |
| Galesburg to Paiporta | 4,516.96 mi (7,269.34 km) |
| Galesburg to Pajara | 4,286.28 mi (6,898.10 km) |
| Galesburg to Palafolls | 4,567.86 mi (7,351.26 km) |
| Galesburg to Palafrugell | 4,575.66 mi (7,363.82 km) |
| Galesburg to Palamos | 4,577.02 mi (7,366.00 km) |
