| North Druid Hills to Olivares | 4,266.21 mi (6,865.79 km) |
| North Druid Hills to Olivenza | 4,185.32 mi (6,735.62 km) |
| North Druid Hills to Olot | 4,554.95 mi (7,330.48 km) |
| North Druid Hills to Onate | 4,302.52 mi (6,924.24 km) |
| North Druid Hills to Onda | 4,487.84 mi (7,222.49 km) |
| North Druid Hills to Onteniente | 4,503.64 mi (7,247.91 km) |
| North Druid Hills to Orihuela | 4,508.11 mi (7,255.09 km) |
| North Druid Hills to Osuna | 4,324.28 mi (6,959.26 km) |
| North Druid Hills to Ourense | 4,060.05 mi (6,534.01 km) |
| North Druid Hills to Oviedo | 4,133.00 mi (6,651.41 km) |
| North Druid Hills to Paiporta | 4,495.55 mi (7,234.89 km) |
| North Druid Hills to Pajara | 4,092.11 mi (6,585.62 km) |
| North Druid Hills to Palafolls | 4,582.05 mi (7,374.10 km) |
| North Druid Hills to Palafrugell | 4,594.02 mi (7,393.36 km) |
| North Druid Hills to Palamos | 4,594.53 mi (7,394.19 km) |
