| Cayey to Olivares | 3,835.63 mi (6,172.85 km) |
| Cayey to Olivenza | 3,789.58 mi (6,098.74 km) |
| Cayey to Olot | 4,303.07 mi (6,925.12 km) |
| Cayey to Onate | 4,055.90 mi (6,527.34 km) |
| Cayey to Onda | 4,158.51 mi (6,692.48 km) |
| Cayey to Onteniente | 4,139.49 mi (6,661.86 km) |
| Cayey to Orihuela | 4,120.95 mi (6,632.03 km) |
| Cayey to Osuna | 3,892.71 mi (6,264.72 km) |
| Cayey to Ourense | 3,775.88 mi (6,076.70 km) |
| Cayey to Oviedo | 3,886.09 mi (6,254.05 km) |
| Cayey to Paiporta | 4,149.91 mi (6,678.63 km) |
| Cayey to Pajara | 3,354.91 mi (5,399.20 km) |
| Cayey to Palafolls | 4,316.58 mi (6,946.86 km) |
| Cayey to Palafrugell | 4,337.71 mi (6,980.87 km) |
| Cayey to Palamos | 4,335.99 mi (6,978.10 km) |
