| Panama City to Olivares | 4,453.00 mi (7,166.41 km) |
| Panama City to Olivenza | 4,375.39 mi (7,041.52 km) |
| Panama City to Olot | 4,764.24 mi (7,667.31 km) |
| Panama City to Onate | 4,510.13 mi (7,258.35 km) |
| Panama City to Onda | 4,688.39 mi (7,545.23 km) |
| Panama City to Onteniente | 4,700.47 mi (7,564.67 km) |
| Panama City to Orihuela | 4,702.37 mi (7,567.73 km) |
| Panama City to Osuna | 4,511.55 mi (7,260.64 km) |
| Panama City to Ourense | 4,261.35 mi (6,857.98 km) |
| Panama City to Oviedo | 4,338.98 mi (6,982.91 km) |
| Panama City to Paiporta | 4,694.37 mi (7,554.86 km) |
| Panama City to Pajara | 4,235.51 mi (6,816.40 km) |
| Panama City to Palafolls | 4,790.19 mi (7,709.06 km) |
| Panama City to Palafrugell | 4,803.20 mi (7,730.00 km) |
| Panama City to Palamos | 4,803.48 mi (7,730.46 km) |
