| Windsor to Oerlinghausen | 398.18 mi (640.81 km) |
| Windsor to Oestrich-Winkel | 389.82 mi (627.35 km) |
| Windsor to Offenburg | 432.55 mi (696.12 km) |
| Windsor to Oftersheim | 429.78 mi (691.66 km) |
| Windsor to Ohrdruf | 493.10 mi (793.57 km) |
| Windsor to Ohringen | 472.33 mi (760.14 km) |
| Windsor to Olbernhau | 606.97 mi (976.83 km) |
| Windsor to Olching | 576.85 mi (928.35 km) |
| Windsor to Oldenburg | 389.76 mi (627.26 km) |
| Windsor to Oldenburg in Holstein | 516.48 mi (831.20 km) |
| Windsor to Olfen | 343.26 mi (552.43 km) |
| Windsor to Olpe | 366.33 mi (589.56 km) |
| Windsor to Olsberg | 391.68 mi (630.35 km) |
| Windsor to Oranienburg | 593.08 mi (954.47 km) |
| Windsor to Ortenberg | 427.75 mi (688.40 km) |
