| Gernsbach to Olivenza | 1,035.05 mi (1,665.75 km) |
| Gernsbach to Olot | 535.32 mi (861.52 km) |
| Gernsbach to Onate | 650.11 mi (1,046.25 km) |
| Gernsbach to Onda | 740.68 mi (1,192.00 km) |
| Gernsbach to Onteniente | 817.67 mi (1,315.91 km) |
| Gernsbach to Orihuela | 871.01 mi (1,401.75 km) |
| Gernsbach to Osuna | 1,043.50 mi (1,679.36 km) |
| Gernsbach to Ourense | 898.14 mi (1,445.42 km) |
| Gernsbach to Oviedo | 773.83 mi (1,245.36 km) |
| Gernsbach to Paiporta | 776.47 mi (1,249.61 km) |
| Gernsbach to Pajara | 1,845.44 mi (2,969.96 km) |
| Gernsbach to Palafolls | 560.08 mi (901.37 km) |
| Gernsbach to Palafrugell | 535.23 mi (861.38 km) |
| Gernsbach to Palamos | 540.45 mi (869.77 km) |
| Gernsbach to Palencia | 777.46 mi (1,251.21 km) |
