| Morfelden-Walldorf to Oestrich-Winkel | 25.91 mi (41.69 km) |
| Morfelden-Walldorf to Offenburg | 109.92 mi (176.90 km) |
| Morfelden-Walldorf to Oftersheim | 43.49 mi (69.99 km) |
| Morfelden-Walldorf to Ohrdruf | 110.58 mi (177.97 km) |
| Morfelden-Walldorf to Ohringen | 68.85 mi (110.80 km) |
| Morfelden-Walldorf to Olbernhau | 214.46 mi (345.13 km) |
| Morfelden-Walldorf to Olching | 175.36 mi (282.21 km) |
| Morfelden-Walldorf to Oldenburg | 217.80 mi (350.52 km) |
| Morfelden-Walldorf to Oldenburg in Holstein | 312.65 mi (503.16 km) |
| Morfelden-Walldorf to Olfen | 129.64 mi (208.64 km) |
| Morfelden-Walldorf to Olpe | 77.59 mi (124.87 km) |
| Morfelden-Walldorf to Olsberg | 93.38 mi (150.28 km) |
| Morfelden-Walldorf to Oranienburg | 276.48 mi (444.95 km) |
| Morfelden-Walldorf to Ortenberg | 32.26 mi (51.91 km) |
| Morfelden-Walldorf to Oschatz | 217.55 mi (350.11 km) |
