| Geldrop to Oerlinghausen | 138.35 mi (222.65 km) |
| Geldrop to Oestrich-Winkel | 145.15 mi (233.60 km) |
| Geldrop to Offenburg | 229.87 mi (369.95 km) |
| Geldrop to Oftersheim | 194.56 mi (313.12 km) |
| Geldrop to Ohrdruf | 228.08 mi (367.06 km) |
| Geldrop to Ohringen | 231.96 mi (373.30 km) |
| Geldrop to Olbernhau | 341.61 mi (549.77 km) |
| Geldrop to Olching | 339.67 mi (546.64 km) |
| Geldrop to Oldenburg | 163.55 mi (263.21 km) |
| Geldrop to Oldenburg in Holstein | 297.99 mi (479.58 km) |
| Geldrop to Olfen | 80.99 mi (130.35 km) |
| Geldrop to Olpe | 102.38 mi (164.76 km) |
| Geldrop to Olsberg | 126.23 mi (203.16 km) |
| Geldrop to Oranienburg | 338.57 mi (544.87 km) |
| Geldrop to Ortenberg | 169.29 mi (272.45 km) |
