| Dolhasca to Oerlinghausen | 858.15 mi (1,381.07 km) |
| Dolhasca to Oestrich-Winkel | 864.34 mi (1,391.01 km) |
| Dolhasca to Offenburg | 865.10 mi (1,392.24 km) |
| Dolhasca to Oftersheim | 835.56 mi (1,344.70 km) |
| Dolhasca to Ohrdruf | 753.47 mi (1,212.59 km) |
| Dolhasca to Ohringen | 793.85 mi (1,277.59 km) |
| Dolhasca to Olbernhau | 640.35 mi (1,030.55 km) |
| Dolhasca to Olching | 710.36 mi (1,143.21 km) |
| Dolhasca to Oldenburg | 899.48 mi (1,447.58 km) |
| Dolhasca to Oldenburg in Holstein | 831.08 mi (1,337.50 km) |
| Dolhasca to Olfen | 907.72 mi (1,460.83 km) |
| Dolhasca to Olpe | 880.01 mi (1,416.24 km) |
| Dolhasca to Olsberg | 856.37 mi (1,378.19 km) |
| Dolhasca to Oranienburg | 696.00 mi (1,120.10 km) |
| Dolhasca to Ortenberg | 820.50 mi (1,320.47 km) |
