| Regensdorf to Oerlinghausen | 313.35 mi (504.30 km) |
| Regensdorf to Oestrich-Winkel | 178.61 mi (287.45 km) |
| Regensdorf to Offenburg | 75.55 mi (121.58 km) |
| Regensdorf to Oftersheim | 133.96 mi (215.59 km) |
| Regensdorf to Ohrdruf | 255.92 mi (411.87 km) |
| Regensdorf to Ohringen | 130.97 mi (210.78 km) |
| Regensdorf to Olbernhau | 313.68 mi (504.82 km) |
| Regensdorf to Olching | 142.44 mi (229.23 km) |
| Regensdorf to Oldenburg | 394.72 mi (635.24 km) |
| Regensdorf to Oldenburg in Holstein | 485.93 mi (782.03 km) |
| Regensdorf to Olfen | 299.90 mi (482.64 km) |
| Regensdorf to Olpe | 249.23 mi (401.10 km) |
| Regensdorf to Olsberg | 270.62 mi (435.52 km) |
| Regensdorf to Oranienburg | 423.90 mi (682.20 km) |
| Regensdorf to Ortenberg | 203.69 mi (327.80 km) |
