| Langenfeld to Olivenza | 1,096.35 mi (1,764.40 km) |
| Langenfeld to Olot | 652.25 mi (1,049.70 km) |
| Langenfeld to Onate | 710.30 mi (1,143.11 km) |
| Langenfeld to Onda | 845.08 mi (1,360.02 km) |
| Langenfeld to Onteniente | 925.13 mi (1,488.85 km) |
| Langenfeld to Orihuela | 979.23 mi (1,575.93 km) |
| Langenfeld to Osuna | 1,126.67 mi (1,813.20 km) |
| Langenfeld to Ourense | 924.44 mi (1,487.74 km) |
| Langenfeld to Oviedo | 802.63 mi (1,291.70 km) |
| Langenfeld to Paiporta | 882.45 mi (1,420.17 km) |
| Langenfeld to Pajara | 1,915.35 mi (3,082.45 km) |
| Langenfeld to Palafolls | 682.45 mi (1,098.30 km) |
| Langenfeld to Palafrugell | 660.39 mi (1,062.79 km) |
| Langenfeld to Palamos | 665.62 mi (1,071.21 km) |
| Langenfeld to Palencia | 830.44 mi (1,336.46 km) |
