| Arecibo to Olivares | 3,854.51 mi (6,203.24 km) |
| Arecibo to Olivenza | 3,807.34 mi (6,127.33 km) |
| Arecibo to Olot | 4,318.11 mi (6,949.32 km) |
| Arecibo to Onate | 4,070.14 mi (6,550.25 km) |
| Arecibo to Onda | 4,175.37 mi (6,719.62 km) |
| Arecibo to Onteniente | 4,157.28 mi (6,690.50 km) |
| Arecibo to Orihuela | 4,139.35 mi (6,661.63 km) |
| Arecibo to Osuna | 3,911.78 mi (6,295.40 km) |
| Arecibo to Ourense | 3,790.40 mi (6,100.06 km) |
| Arecibo to Oviedo | 3,899.85 mi (6,276.21 km) |
| Arecibo to Paiporta | 4,167.21 mi (6,706.47 km) |
| Arecibo to Pajara | 3,381.25 mi (5,441.59 km) |
| Arecibo to Palafolls | 4,332.03 mi (6,971.74 km) |
| Arecibo to Palafrugell | 4,352.96 mi (7,005.41 km) |
| Arecibo to Palamos | 4,351.30 mi (7,002.74 km) |
