| Cascades to Oststeinbek | 4,023.94 mi (6,475.90 km) |
| Cascades to Ottendorf-Okrilla | 4,234.22 mi (6,814.32 km) |
| Cascades to Ottersberg | 3,998.04 mi (6,434.23 km) |
| Cascades to Ottobrunn | 4,249.04 mi (6,838.18 km) |
| Cascades to Ottweiler | 4,025.38 mi (6,478.23 km) |
| Cascades to Overath | 3,985.90 mi (6,414.69 km) |
| Cascades to Oyten | 3,994.10 mi (6,427.88 km) |
| Cascades to Paderborn | 4,021.63 mi (6,472.19 km) |
| Cascades to Papenburg | 3,932.18 mi (6,328.23 km) |
| Cascades to Parchim | 4,089.88 mi (6,582.02 km) |
| Cascades to Pasewalk | 4,167.49 mi (6,706.92 km) |
| Cascades to Passau | 4,305.13 mi (6,928.44 km) |
| Cascades to Pattensen | 4,045.18 mi (6,510.08 km) |
| Cascades to Pegnitz | 4,190.29 mi (6,743.62 km) |
| Cascades to Peine | 4,061.55 mi (6,536.43 km) |
