| Illingen to Olivenza | 1,016.48 mi (1,635.87 km) |
| Illingen to Olot | 543.29 mi (874.33 km) |
| Illingen to Onate | 629.26 mi (1,012.70 km) |
| Illingen to Onda | 742.35 mi (1,194.70 km) |
| Illingen to Onteniente | 821.31 mi (1,321.77 km) |
| Illingen to Orihuela | 875.23 mi (1,408.55 km) |
| Illingen to Osuna | 1,035.13 mi (1,665.88 km) |
| Illingen to Ourense | 864.62 mi (1,391.47 km) |
| Illingen to Oviedo | 740.65 mi (1,191.97 km) |
| Illingen to Paiporta | 779.15 mi (1,253.92 km) |
| Illingen to Pajara | 1,832.09 mi (2,948.46 km) |
| Illingen to Palafolls | 571.54 mi (919.81 km) |
| Illingen to Palafrugell | 548.35 mi (882.48 km) |
| Illingen to Palamos | 553.60 mi (890.93 km) |
| Illingen to Palencia | 754.23 mi (1,213.81 km) |
