| Langenfeld to Ottendorf-Okrilla | 297.95 mi (479.51 km) |
| Langenfeld to Ottersberg | 165.79 mi (266.82 km) |
| Langenfeld to Ottobrunn | 298.28 mi (480.03 km) |
| Langenfeld to Ottweiler | 121.29 mi (195.20 km) |
| Langenfeld to Overath | 19.08 mi (30.70 km) |
| Langenfeld to Oyten | 160.47 mi (258.25 km) |
| Langenfeld to Paderborn | 88.15 mi (141.86 km) |
| Langenfeld to Papenburg | 136.08 mi (219.00 km) |
| Langenfeld to Parchim | 260.46 mi (419.17 km) |
| Langenfeld to Pasewalk | 340.10 mi (547.34 km) |
| Langenfeld to Passau | 339.09 mi (545.71 km) |
| Langenfeld to Pattensen | 144.44 mi (232.45 km) |
| Langenfeld to Pegnitz | 222.94 mi (358.78 km) |
| Langenfeld to Peine | 163.29 mi (262.79 km) |
| Langenfeld to Peissenberg | 294.44 mi (473.86 km) |
