| Humlebaek to Olivenza | 1,495.33 mi (2,406.49 km) |
| Humlebaek to Olot | 1,052.35 mi (1,693.59 km) |
| Humlebaek to Onate | 1,111.84 mi (1,789.33 km) |
| Humlebaek to Onda | 1,249.19 mi (2,010.38 km) |
| Humlebaek to Onteniente | 1,328.85 mi (2,138.58 km) |
| Humlebaek to Orihuela | 1,382.90 mi (2,225.57 km) |
| Humlebaek to Osuna | 1,531.10 mi (2,464.07 km) |
| Humlebaek to Ourense | 1,307.66 mi (2,104.48 km) |
| Humlebaek to Oviedo | 1,189.80 mi (1,914.81 km) |
| Humlebaek to Paiporta | 1,286.37 mi (2,070.21 km) |
| Humlebaek to Pajara | 2,314.70 mi (3,725.15 km) |
| Humlebaek to Palafolls | 1,080.53 mi (1,738.94 km) |
| Humlebaek to Palafrugell | 1,057.04 mi (1,701.14 km) |
| Humlebaek to Palamos | 1,062.29 mi (1,709.59 km) |
| Humlebaek to Palencia | 1,228.50 mi (1,977.08 km) |
