| Overath to Oerlinghausen | 91.63 mi (147.46 km) |
| Overath to Oestrich-Winkel | 72.50 mi (116.67 km) |
| Overath to Offenburg | 173.90 mi (279.86 km) |
| Overath to Oftersheim | 123.05 mi (198.03 km) |
| Overath to Ohrdruf | 149.84 mi (241.15 km) |
| Overath to Ohringen | 155.35 mi (250.00 km) |
| Overath to Olbernhau | 264.07 mi (424.98 km) |
| Overath to Olching | 261.63 mi (421.05 km) |
| Overath to Oldenburg | 156.48 mi (251.82 km) |
| Overath to Oldenburg in Holstein | 275.89 mi (444.01 km) |
| Overath to Olfen | 53.10 mi (85.45 km) |
| Overath to Olpe | 23.65 mi (38.06 km) |
| Overath to Olsberg | 58.26 mi (93.76 km) |
| Overath to Oranienburg | 282.27 mi (454.27 km) |
| Overath to Ortenberg | 87.16 mi (140.28 km) |
