| Groesbeek to Oerlinghausen | 117.28 mi (188.74 km) |
| Groesbeek to Oestrich-Winkel | 152.61 mi (245.61 km) |
| Groesbeek to Offenburg | 245.66 mi (395.35 km) |
| Groesbeek to Oftersheim | 203.25 mi (327.10 km) |
| Groesbeek to Ohrdruf | 217.52 mi (350.06 km) |
| Groesbeek to Ohringen | 237.51 mi (382.23 km) |
| Groesbeek to Olbernhau | 329.21 mi (529.81 km) |
| Groesbeek to Olching | 344.03 mi (553.67 km) |
| Groesbeek to Oldenburg | 134.35 mi (216.22 km) |
| Groesbeek to Oldenburg in Holstein | 269.18 mi (433.21 km) |
| Groesbeek to Olfen | 62.19 mi (100.09 km) |
| Groesbeek to Olpe | 97.53 mi (156.96 km) |
| Groesbeek to Olsberg | 113.53 mi (182.71 km) |
| Groesbeek to Oranienburg | 315.87 mi (508.34 km) |
| Groesbeek to Ortenberg | 167.61 mi (269.74 km) |
