| Bad Homburg to Olivenza | 1,106.66 mi (1,781.00 km) |
| Bad Homburg to Olot | 626.85 mi (1,008.81 km) |
| Bad Homburg to Onate | 719.45 mi (1,157.84 km) |
| Bad Homburg to Onda | 828.69 mi (1,333.64 km) |
| Bad Homburg to Onteniente | 907.02 mi (1,459.71 km) |
| Bad Homburg to Orihuela | 960.77 mi (1,546.21 km) |
| Bad Homburg to Osuna | 1,124.31 mi (1,809.41 km) |
| Bad Homburg to Ourense | 952.99 mi (1,533.69 km) |
| Bad Homburg to Oviedo | 829.25 mi (1,334.55 km) |
| Bad Homburg to Paiporta | 865.17 mi (1,392.36 km) |
| Bad Homburg to Pajara | 1,922.07 mi (3,093.27 km) |
| Bad Homburg to Palafolls | 653.54 mi (1,051.76 km) |
| Bad Homburg to Palafrugell | 629.46 mi (1,013.02 km) |
| Bad Homburg to Palamos | 634.70 mi (1,021.45 km) |
| Bad Homburg to Palencia | 844.33 mi (1,358.82 km) |
