| Turnhout to Oestrich-Winkel | 161.61 mi (260.08 km) |
| Turnhout to Offenburg | 237.46 mi (382.16 km) |
| Turnhout to Oftersheim | 209.16 mi (336.61 km) |
| Turnhout to Ohrdruf | 253.25 mi (407.56 km) |
| Turnhout to Ohringen | 248.49 mi (399.91 km) |
| Turnhout to Olbernhau | 367.14 mi (590.85 km) |
| Turnhout to Olching | 356.34 mi (573.47 km) |
| Turnhout to Oldenburg | 187.09 mi (301.10 km) |
| Turnhout to Oldenburg in Holstein | 322.14 mi (518.44 km) |
| Turnhout to Olfen | 108.20 mi (174.14 km) |
| Turnhout to Olpe | 126.62 mi (203.77 km) |
| Turnhout to Olsberg | 152.53 mi (245.47 km) |
| Turnhout to Oranienburg | 365.73 mi (588.59 km) |
| Turnhout to Ortenberg | 191.01 mi (307.40 km) |
| Turnhout to Oschatz | 352.15 mi (566.73 km) |
