| Callaway to Olivares | 4,452.98 mi (7,166.39 km) |
| Callaway to Olivenza | 4,375.48 mi (7,041.65 km) |
| Callaway to Olot | 4,764.90 mi (7,668.36 km) |
| Callaway to Onate | 4,510.74 mi (7,259.33 km) |
| Callaway to Onda | 4,688.77 mi (7,545.84 km) |
| Callaway to Onteniente | 4,700.74 mi (7,565.11 km) |
| Callaway to Orihuela | 4,702.56 mi (7,568.04 km) |
| Callaway to Osuna | 4,511.55 mi (7,260.64 km) |
| Callaway to Ourense | 4,261.77 mi (6,858.66 km) |
| Callaway to Oviedo | 4,339.54 mi (6,983.81 km) |
| Callaway to Paiporta | 4,694.70 mi (7,555.39 km) |
| Callaway to Pajara | 4,234.41 mi (6,814.63 km) |
| Callaway to Palafolls | 4,790.80 mi (7,710.06 km) |
| Callaway to Palafrugell | 4,803.84 mi (7,731.04 km) |
| Callaway to Palamos | 4,804.13 mi (7,731.49 km) |
