| Dietzenbach to Oestrich-Winkel | 34.80 mi (56.01 km) |
| Dietzenbach to Offenburg | 113.75 mi (183.06 km) |
| Dietzenbach to Oftersheim | 45.52 mi (73.25 km) |
| Dietzenbach to Ohrdruf | 102.50 mi (164.96 km) |
| Dietzenbach to Ohringen | 64.91 mi (104.47 km) |
| Dietzenbach to Olbernhau | 205.57 mi (330.83 km) |
| Dietzenbach to Olching | 169.94 mi (273.49 km) |
| Dietzenbach to Oldenburg | 217.45 mi (349.94 km) |
| Dietzenbach to Oldenburg in Holstein | 309.01 mi (497.30 km) |
| Dietzenbach to Olfen | 132.37 mi (213.03 km) |
| Dietzenbach to Olpe | 80.72 mi (129.90 km) |
| Dietzenbach to Olsberg | 93.05 mi (149.75 km) |
| Dietzenbach to Oranienburg | 269.46 mi (433.65 km) |
| Dietzenbach to Ortenberg | 26.34 mi (42.39 km) |
| Dietzenbach to Oschatz | 209.08 mi (336.49 km) |
