| Northport to Olivares | 4,450.11 mi (7,161.76 km) |
| Northport to Olivenza | 4,368.21 mi (7,029.95 km) |
| Northport to Olot | 4,729.48 mi (7,611.36 km) |
| Northport to Onate | 4,478.10 mi (7,206.80 km) |
| Northport to Onda | 4,666.56 mi (7,510.11 km) |
| Northport to Onteniente | 4,683.88 mi (7,537.97 km) |
| Northport to Orihuela | 4,689.32 mi (7,546.74 km) |
| Northport to Osuna | 4,508.01 mi (7,254.94 km) |
| Northport to Ourense | 4,238.73 mi (6,821.57 km) |
| Northport to Oviedo | 4,309.50 mi (6,935.47 km) |
| Northport to Paiporta | 4,674.99 mi (7,523.67 km) |
| Northport to Pajara | 4,283.93 mi (6,894.32 km) |
| Northport to Palafolls | 4,757.16 mi (7,655.91 km) |
| Northport to Palafrugell | 4,768.59 mi (7,674.30 km) |
| Northport to Palamos | 4,769.22 mi (7,675.31 km) |
