| Ketsch to Oestrich-Winkel | 49.89 mi (80.29 km) |
| Ketsch to Offenburg | 67.84 mi (109.17 km) |
| Ketsch to Oftersheim | 2.32 mi (3.74 km) |
| Ketsch to Ohrdruf | 140.38 mi (225.92 km) |
| Ketsch to Ohringen | 45.04 mi (72.48 km) |
| Ketsch to Olbernhau | 231.22 mi (372.11 km) |
| Ketsch to Olching | 150.13 mi (241.60 km) |
| Ketsch to Oldenburg | 261.41 mi (420.69 km) |
| Ketsch to Oldenburg in Holstein | 355.32 mi (571.84 km) |
| Ketsch to Olfen | 170.10 mi (273.75 km) |
| Ketsch to Olpe | 118.20 mi (190.22 km) |
| Ketsch to Olsberg | 137.11 mi (220.66 km) |
| Ketsch to Oranienburg | 310.56 mi (499.80 km) |
| Ketsch to Ortenberg | 72.24 mi (116.26 km) |
| Ketsch to Oschatz | 241.91 mi (389.32 km) |
